List of WBO world champions

Last updated

This is a list of WBO world champions, showing every world champion certified by the World Boxing Organization (WBO). The WBO is one of the four major governing bodies in professional boxing, and has awarded world championships in 17 different weight classes since 1989.

Contents

Current champion
Most consecutive title defenses

Heavyweight

No.NameDateDefenses
1 Flag of Italy.svg Francesco Damiani
(def. Johnny du Plooy )
6 May 19891
2 Flag of the United States.svg Ray Mercer 11 January 1991 – December 19911
Mercer was stripped of the title in December 1991 for signing for a bout against Larry Holmes instead of mandatory challenger Michael Moorer. [1]
3 Flag of the United States.svg Michael Moorer
(def. Bert Cooper )
15 May 1992 – 8 February 19930
Moorer vacated the title so that he could be ranked by other sanctioning bodies.
4 Flag of the United States.svg Tommy Morrison
(def. George Foreman )
7 June 19931
5 Flag of the United Kingdom.svg Michael Bentt 29 October 19930
6 Flag of the United Kingdom.svg Herbie Hide 19 March 19940
7 Flag of the United States.svg Riddick Bowe 11 March 1995 – 19951
Bowe vacated the title to pursue a rematch with Evander Holyfield.
8 Flag of the United Kingdom.svg Henry Akinwande
(def. Jeremy Williams )
29 June 1996 – 29 January 19972
Akinwande vacated the title at the request of the WBC to become the mandatory challenger of the upcoming fight between Lennox Lewis and Oliver McCall for the vacant belt. [2]
9 Flag of the United Kingdom.svg Herbie Hide (2)
(def. Tony Tucker)
28 June 19972
10 Flag of Ukraine.svg Vitali Klitschko 26 June 19992
11 Flag of the United States.svg Chris Byrd 1 April 20000
12 Flag of Ukraine.svg Wladimir Klitschko 14 October 20005
13 Flag of South Africa.svg Corrie Sanders 8 March 2003 – December 20030
Sanders vacated the title to concentrate on a challenge for the WBC belt against Vitali Klitschko.
14 Flag of the United States.svg Lamon Brewster
(def. Wladimir Klitschko )
10 April 20043
15 Flag of Belarus.svg Siarhei Liakhovich 1 April 20060
16 Flag of the United States.svg Shannon Briggs 4 November 20060
17 Flag of Russia.svg Sultan Ibragimov 2 June 20071
18 Flag of Ukraine.svg Wladimir Klitschko (2)23 February 200814
19 Flag of the United Kingdom.svg Tyson Fury 28 November 2015 – 12 October 20160
Fury, who had previously withdrawn from a rematch against Wladimir Klitschko before testing positive in a Voluntary Anti-Doping Association (VADA) test for cocaine on 29 September, vacated the title on 12 October 2016 after testing positive a second time, citing his need to focus on treatment for depression. [3]
20 Flag of New Zealand.svg Joseph Parker
(def. Andy Ruiz Jr. )
10 December 20162
21 Flag of the United Kingdom.svg Anthony Joshua 31 March 20181
22 Flag of the United States.svg Andy Ruiz Jr. 1 June 20190
23 Flag of the United Kingdom.svg Anthony Joshua (2)7 December 2019 – present1

Junior heavyweight

This weight class is designated as cruiserweight by the WBA, WBC, and IBF.

No.NameDateDefenses
1 Flag of the United States.svg Boone Pultz
(def. Magne Havnå )
3 December 19890
2 Flag of Norway.svg Magne Havnå 17 May 1990 – 15 February 19912
Havnå vacates the title.
3 Flag of the United States.svg Tyrone Booze
(def. Derek Angol)
25 July 19921
4 Flag of Germany.svg Markus Bott 13 February 19930
5 Flag of Argentina.svg Nestor Hipolito Giovannini 26 June 19931
6 Flag of Poland.svg Dariusz Michalczewski 17 December 1994 – March 19950
Michalczewski vacated the title in favor of the WBO light heavyweight title, which he already held.
7 Flag of Germany.svg Ralf Rocchigiani
(def. Carl Thompson)
10 June 19956
8 Flag of the United Kingdom.svg Carl Thompson 4 October 19972
9 Flag of the United Kingdom.svg Johnny Nelson 27 March 1999 – 22 September 200613
Nelson retired after suffering a back injury during training camp for his bout against Enzo Maccarinelli. [4]
10 Flag of the United Kingdom.svg Enzo Maccarinelli
(interim champion promoted)
September 20064
11 Flag of the United Kingdom.svg David Haye 8 March 2008 – 12 May 20080
Haye vacates the title to move up to heavyweight.
12 Flag of Argentina.svg Victor Emilio Ramírez
interim champion promoted
February 20091
13 Flag of Germany.svg Marco Huck 5 December 200913
14 Flag of Poland.svg Krzysztof Głowacki 14 August 20151
15 Flag of Ukraine.svg Oleksandr Usyk 17 September 2016 – 5 June 20196
Usyk vacated the title to move up to heavyweight. [5]
16 Flag of Poland.svg Krzysztof Głowacki (2)
(interim champion promoted)
5 June 20190
17 Flag of Latvia.svg Mairis Briedis 15 June 2019 – 25 November 20190
Briedis stripped of title for not agreeing on an immediate rematch with Glowacki. [6]
18 Flag of the United Kingdom.svg Lawrence Okolie
(def. Krzysztof Głowacki )
20 March 2021 – present0

Light heavyweight

No.NameDateDefenses
1 Flag of the United States.svg Michael Moorer
(def. Ramzi Hassan)
3 December 1988 – 19919
Moorer vacated the title to move up to heavyweight.
2 Flag of the United States.svg Leeonzer Barber
(def. Tom Collins )
9 May 19914
3 Flag of Poland.svg Dariusz Michalczewski 10 September 199423
4 Flag of Mexico.svg Julio César González 10 October 20030
5 Flag of Hungary.svg Zsolt Erdei 17 January 2004 – 13 November 200911
Erdei vacated the title to move up to cruiserweight.
6 Flag of Germany.svg Jürgen Brähmer
(interim champion promoted)
13 November 2009 – 19 May 20112
Brähmer was stripped of the title after withdrawing from a bout against Nathan Cleverly, citing an eye injury. [7]
7 Flag of the United Kingdom.svg Nathan Cleverly
(interim champion promoted)
19 May 20115
8 Flag of Russia.svg Sergey Kovalev 18 August 20138
9 Flag of the United States.svg Andre Ward 19 November 2016 – 21 September 20171
Ward retires. [8]
10 Flag of Russia.svg Sergey Kovalev (2)
(def. Vyacheslav Shabranskyy )
25 November 20171
11 Flag of Colombia.svg Eleider Álvarez 4 August 20180
12 Flag of Russia.svg Sergey Kovalev (3)2 February 20191
13 Flag of Mexico.svg Canelo Álvarez 2 November 2019 – 17 December 20190
Álvarez vacated on 17 December to move back down to his current preferred weight division. [9]
14 Flag of the United States.svg Joe Smith Jr.
(def. Maxim Vlasov )
10 April 2021 – present0

Super middleweight

No.NameDateDefenses
1 Flag of the United States.svg Thomas Hearns
(def. James Kinchen )
4 November 1988 – 19902
Hearns vacates the title.
2 Flag of the United Kingdom.svg Chris Eubank
(def. Michael Watson )
21 September 199114
3 Flag of Ireland.svg Steve Collins 18 March 1995 – October 19977
Collins was stripped of the title in October 1997 after suffering a leg injury during training camp and subsequently withdrawing from his bout against Joe Calzaghe. [10]
4 Flag of the United Kingdom.svg Joe Calzaghe
(def. Chris Eubank)
11 October 1997 – 26 September 200821
Calzaghe, citing difficulty making weight, vacated the title after moving up to light heavyweight. [11]
5 Flag of Russia.svg Denis Inkin
(def. Fulgencio Zuniga)
27 September 20080
6 Flag of Hungary.svg Károly Balzsay 10 January 20091
7 Flag of Germany.svg Robert Stieglitz 22 August 20096
8 Flag of Germany.svg Arthur Abraham 25 August 20121
9 Flag of Germany.svg Robert Stieglitz (2)23 March 20132
10 Flag of Germany.svg Arthur Abraham (2)1 March 20145
11 Flag of Mexico.svg Gilberto Ramírez 9 April 2016 – 13 May 20195
Ramírez vacates the title to move up to light heavyweight. [12]
12 Flag of the United Kingdom.svg Billy Joe Saunders
(def. Shefat Isufi)
18 May 20192
13 Flag of Mexico.svg Canelo Álvarez
8 May 2021 – present0

Middleweight

No.NameDateDefenses
1 Flag of the United States.svg Doug DeWitt
(def. Robbie Sims )
18 April 19891
2 Flag of the United Kingdom.svg Nigel Benn 29 April 19901
3 Flag of the United Kingdom.svg Chris Eubank 18 November 1990 – 21 September 19913
Eubank vacates the title to move up to super middleweight.
4 Flag of the United States.svg Gerald McClellan
(def. John Mugabi )
20 November 1991 – 24 February 19920
McClellan vacates the title to move up to super middleweight.
5 Flag of the United Kingdom.svg Chris Pyatt
(def. Sumbu Kalambay )
19 May 19932
6 Flag of Ireland.svg Steve Collins 11 May 1994 – 18 March 19950
Collins vacates the title to move up to super middleweight.
7 Flag of the United States.svg Lonnie Bradley
(def. David Mendez)
19 May 1995 – 19976
Bradley vacates the title to have eye surgery to repair a detached retina.
8 Flag of Jamaica.svg Otis Grant
(def. Ryan Rhodes )
13 December 1997 – 14 November 19981
Grant vacates the title to move up to light heavyweight and challenge Roy Jones Jr. [13]
9 Flag of Germany.svg Bert Schenk
(def. Freeman Barr )
30 January 1999 – 19991
Schenk vacates the title due to achilles injury.
10 Flag of the United Kingdom.svg Jason Matthews
(def. Ryan Rhodes)
17 July 19990
11 Flag of Sweden.svg Armand Krajnc 27 November 19993
Krajnc vacated the title on 4 June 2001, while in a dispute with Universum Box-Promotion; However the WBO unanimously voted on 17 September 2001 that Krajnc never actually vacated and remained as WBO champion.
12 Flag of Namibia.svg Harry Simon 6 April 2002 – November 20020
Title is vacated because Simon is sentenced to prison due to his role in fatal car crash.
13 Flag of Argentina.svg Héctor Javier Velazco
(def. Andras Galfi )
10 May 20030
14 Flag of Germany.svg Felix Sturm 13 September 20031
15 Flag of the United States.svg Oscar De La Hoya 5 June 20040
16 Flag of the United States.svg Bernard Hopkins 18 September 20041
17 Flag of the United States.svg Jermain Taylor 16 July 20053
18 Flag of the United States.svg Kelly Pavlik 29 September 20073
19 Flag of Argentina.svg Sergio Martínez 17 April 2010 – 29 May 20100
Martínez, who held the WBC junior middleweight title at that time, was stripped of the WBO middleweight title because he missed the WBO's deadline to decide on which weight class he would continue to fight in. [14]
20 Flag of Russia.svg Dmitry Pirog
(def. Daniel Jacobs )
31 July 2010 – 25 August 20123
Pirog stripped of title August 2012 after being unable to defend due to back injury.
21 Flag of Cameroon.svg Hassan N'Dam N'Jikam
(interim champion promoted)
25 August 20120
22 Flag of the United States.svg Peter Quillin 20 October 2012 – 4 September 20143
Quillin vacated the title after pulling out of his scheduled bout against mandatory challenger Matt Korobov. [15]
23 Flag of Ireland.svg Andy Lee
(def. Matt Korobov )
13 December 20141
24 Flag of the United Kingdom.svg Billy Joe Saunders 19 December 2015 – 11 October 20183
Saunders tested positive for the banned stimulant oxilofrine before his bout against mandatory challenger Demetrius Andrade and vacated the title citing his lack of time to appeal. [16]
25 Flag of the United States.svg Demetrius Andrade
(def. Walter Kautondokwa)
20 October 2018 – present4

Junior middleweight

No.NameDateDefenses
1 Flag of the United States.svg John David Jackson
(def. Lupe Aquino )
8 December 1988 – 17 February 19901
Title is vacated after an incorrect NC call in his bout against Martin Camara.
2 Flag of the United States.svg John David Jackson (2)
(def. Chris Pyatt )
23 October 1990– 19933
3 Flag of Belize.svg Verno Phillips
(def. Lupe Aquino)
30 October 19934
4 Flag of the United Kingdom.svg Paul Jones 22 November 1995 – 26 February 19960
Jones was stripped of the title after withdrawing from a bout against no. 1 contender Bronco McKarton. [17]
5 Flag of the United States.svg Bronco McKart
(def. Santos Cardona)
1 March 19960
6 Flag of the United States.svg Winky Wright 17 May 19963
7 Flag of Namibia.svg Harry Simon 22 August 1998 – 21 July 20014
Simon vacates the title to move up to middleweight.
8 Flag of Puerto Rico.svg Daniel Santos
(def. Yori Boy Campas )
16 March 20024
9 Flag of Ukraine.svg Sergiy Dzindziruk 3 December 2005 – 5 October 20116
Dzindziruk was stripped of the title due to inactivity caused by injuries. [18]
10 Flag of Russia.svg Zaurbek Baysangurov
(interim champion promoted)
5 October 2011 – June 20132
Baysangurov was stripped of the title in July 2013 after withdrawing from a bout against mandatory challenger Demetrius Andrade. [19]
11 Flag of the United States.svg Demetrius Andrade
(def. Vanes Martirosyan )
9 November 2013 – 31 July 20151
Andrade was stripped of the title due to inactivity. [20]
12 Flag of the United Kingdom.svg Liam Smith
(def. John Thompson )
10 October 20152
13 Flag of Mexico.svg Canelo Álvarez 17 September 2016 – 19 May 20170
Álvarez vacates the title to move up to middleweight.
14 Flag of Puerto Rico.svg Miguel Cotto
(def. Yoshihiro Kamegai )
26 August 20170
15 Flag of the United States.svg Sadam Ali 2 December 20170
16 Flag of Mexico.svg Jaime Munguia 12 May 2018 – 23 November 20195
Munguia vacates the title to move up to middleweight. [21]
17 Flag of Brazil.svg Patrick Teixeira
(interim champion promoted)
4 December 20190
18 Flag of Argentina.svg Brian Castaño 13 February 2021 – present1

Welterweight

No.NameDateDefenses
1 Flag of Mexico.svg Genaro Léon
(def. Danny Garcia)
6 May 1989 15 December 19890
Léon vacates the title.
2 Flag of the United States.svg Manning Galloway
(def. Al Hamza)
15 December 19897
3 Flag of Denmark.svg Gert Bo Jacobsen 12 February 1993 October 19930
Jacobsen was stripped of the title after withdrawing from a bout against Eamonn Loughran due to suffering from the flu. [22]
4 Flag of Ireland.svg Eamonn Loughran
(def. Lorenzo Smith )
16 October 19935
5 Flag of Mexico.svg José Luis López 13 April 1996 November 19961
López was stripped of the title after testing positive for marijuana. [23]
6 Flag of Romania.svg Mihai Leu
(def. Santiago Samaniego )
22 February 1997 19971
Leu retires
7 Flag of Russia.svg Ahmed Kotiev
(def. Leonard Townsend)
14 February 19984
8 Flag of Puerto Rico.svg Daniel Santos 6 May 2000 21 July 20012
Title is vacated after the bout between Santos and Antonio Margarito ends in a no-contest in the first round.
9 Flag of Mexico.svg Antonio Margarito
(def. Antonio Díaz )
16 March 20027
10 Flag of the United States.svg Paul Williams 14 July 20070
11 Flag of Puerto Rico.svg Carlos Quintana 9 February 20080
12 Flag of the United States.svg Paul Williams (2)7 June 2008 14 November 20080
Williams vacates the title to move up in weight and fight for the vacant WBO interim junior middleweight world championship. [24]
13 Flag of Puerto Rico.svg Miguel Cotto
(def. Kelson Pinto )
21 February 20091
14 Flag of the Philippines.svg Manny Pacquiao 14 November 20093
15 Flag of the United States.svg Timothy Bradley 9 June 20122
16 Flag of the Philippines.svg Manny Pacquiao (2)12 April 20141
17 Flag of the United States.svg Floyd Mayweather Jr. 2 May 2015 6 July 20150
Mayweather is stripped of the title for missing the deadline to pay the WBO's sanctioning fee from his 2 May bout against Manny Pacquiao and for continuing to hold world championship titles in multiple weight classes, a violation of the WBO's rules and regulations. [25]
18 Flag of the United States.svg Timothy Bradley (2)
(interim champion promoted)
6 July 2015 9 February 20161
Bradley vacates the title after he chose to fight Manny Pacquiao instead of mandatory challenger Sadam Ali. [26]
19 Flag of the United States.svg Jessie Vargas
(def. Sadam Ali )
5 March 20160
20 Flag of the Philippines.svg Manny Pacquiao (3)5 November 20160
21 Flag of Australia (converted).svg Jeff Horn 2 July 20171
22 Flag of the United States.svg Terence Crawford 9 June 2018 present4

Junior welterweight

No.NameDateDefenses
1 Flag of Puerto Rico.svg Héctor Camacho
(def. Ray Mancini )
6 March 19892
2 Flag of the United States.svg Greg Haugen 23 February 19910
3 Flag of Puerto Rico.svg Héctor Camacho (2)19 May 1991 June 19920
Camacho vacates the title.
4 Flag of Mexico.svg Carlos González
(def. Jimmy Paul )
29 June 19923
5 Flag of the United States.svg Zack Padilla 7 June 1993 19944
Title is vacated after Padilla experiences continuous severe headaches.
6 Flag of Puerto Rico.svg Sammy Fuentes
(def. Fidel Avendano)
20 February 19951
7 Flag of Italy.svg Giovanni Parisi 9 March 19965
8 Flag of Mexico.svg Carlos González (2)29 May 19980
9 Flag of the United States.svg Randall Bailey 15 May 19992
10 Flag of Colombia.svg Ener Julio 22 July 2000 25 June 20010
Title vacated when a routine eye exam reveals that Julio has cataracts.
11 Flag of the United States.svg DeMarcus Corley
(def. Felix Flores )
30 June 20012
12 Flag of the United States.svg Zab Judah 12 July 2003 April 20041
Judah vacated the title to move up to the welterweight division.
13 Flag of Puerto Rico.svg Miguel Cotto
(def. Kelson Pinto )
11 September 2004 27 October 20066
Cotto vacated the title to move up to welterweight.
14 Flag of Colombia.svg Ricardo Torres
(def. Mike Arnaoutis )
18 November 20063
15 Flag of the United States.svg Kendall Holt
(def. Ricardo Torres)
5 July 20081
16 Flag of the United States.svg Timothy Bradley 4 April 2009 27 June 20123
Bradley vacated the title after moving up to welterweight. [27]
17 Flag of Mexico.svg Juan Manuel Márquez
(interim champion promoted)
27 June 2012 12 October 20130
Márquez vacated the title to move up to welterweight and challenge Timothy Bradley for the WBO belt.
18 Flag of the United States.svg Mike Alvarado
(interim champion promoted)
12 October 20130
19 Flag of Russia.svg Ruslan Provodnikov 19 October 20130
20 Flag of the United States.svg Chris Algieri 14 June 2014 2 November 20140
Algieri vacated the title due to his upcoming bout against Manny Pacquiao for the WBO welterweight world championship. [28]
21 Flag of the United States.svg Terence Crawford
(def. Thomas Dulorme )
18 April 2015 26 October 20176
Crawford vacated the title to move up to welterweight. [29]
22 Flag of the United States.svg Maurice Hooker
(def. Terry Flanagan )
9 June 20182
23 Flag of the United States.svg José Ramírez 28 July 20191
24 Flag of the United Kingdom.svg Josh Taylor 22 May 2021 present0

Lightweight

No.NameDateDefenses
1 Flag of Mexico.svg Mauricio Aceves
(def. Amancio Castro)
6 May 19891
2 Flag of South Africa (1928-1994).svg Dingaan Thobela 22 September 1990 19912
Thobela vacates the title.
3 Flag of Italy.svg Giovanni Parisi
(def. Javier Altamirano)
25 September 1992 19942
Parisi vacates the title.
4 Flag of the United States.svg Oscar De La Hoya
(def. Jorge Páez )
29 July 1994 February 19966
De La Hoya vacates the title to move up to junior welterweight.
5 Flag of Uzbekistan.svg Artur Grigorian
(def. Antonio Rivera)
13 April 199617
6 Flag of Brazil.svg Acelino Freitas 3 January 20040
7 Flag of the United States.svg Diego Corrales 7 August 2004 April 20061
Corrales was stripped of the title after deciding to pursue a rematch with José Luis Castillo instead of his mandatory challenger Acelino Freitas. [30]
8 Flag of Brazil.svg Acelino Freitas (2)
(def. Zahir Raheem )
29 April 20060
9 Flag of the United States.svg Juan Díaz 28 April 20071
10 Flag of the United States.svg Nate Campbell 8 March 2008 13 February 20090
Campbell was stripped of his unified IBF/WBO world titles after failing to make weight the day before his bout against Ali Funeka. [31]
11 Flag of Mexico.svg Juan Manuel Márquez
(def. Juan Díaz )
28 February 2009 6 January 20122
Márquez vacates to move up to welterweight.
12 Flag of the United Kingdom.svg Ricky Burns
(interim champion promoted)
6 January 20124
13 Flag of the United States.svg Terence Crawford 1 March 2014 24 March 20152
Crawford vacates the title to move up to junior welterweight.
14 Flag of the United Kingdom.svg Terry Flanagan
(def. Jose Zepeda )
11 July 2015 26 October 20175
Flanagan vacated the title to move up to junior welterweight. [32]
15 Flag of Mexico.svg Ray Beltrán
(def. Paulus Moses )
16 February 20180
16 Flag of Puerto Rico.svg José Pedraza 25 August 20180
17 Flag of Ukraine.svg Vasyl Lomachenko 8 December 20183
18 Flag of the United States.svg Teófimo López 17 October 2020 present0

Junior lightweight

No.NameDateDefenses
1 Flag of Puerto Rico.svg John John Molina
(def. Juan Laporte )
29 April 1989 19890
Molina vacates the title.
2 Flag of Tunisia.svg Kamel Bou Ali
(def. Antonio Rivera )
9 December 19892
3 Flag of France.svg Daniel Londas 21 March 19920
4 Flag of Denmark.svg Jimmi Bredahl 4 September 19921
5 Flag of the United States.svg Oscar De La Hoya 5 March 1994 July 19941
De La Hoya vacates the title to move up to lightweight.
6 Flag of the Netherlands.svg Regilio Tuur
(def. Eugene Speed)
24 September 1994 19976
Tuur retired as the WBO junior lightweight world champion. [33]
7 Flag of the United Kingdom.svg Barry Jones
(def. Wilson Palacio)
19 December 1997 19980
Jones lost his boxing license after a brain scan found an anomaly. The WBO vacated his title before Jones regained his license.
8 Flag of Russia.svg Anatoly Alexandrov
(def. Julien Lorcy )
16 May 19981
9 Flag of Brazil.svg Acelino Freitas 7 August 1999 15 January 200411
Freitas vacates the title to move up to lightweight.
10 Flag of the United States.svg Diego Corrales
(def. Joel Casamayor )
6 March 2004 7 August 20040
Corrales vacates the title to move up to lightweight.
11 Flag of the United States.svg Mike Anchondo
(def. Pablo Chacón )
15 July 20040
12 Flag of Argentina.svg Jorge Rodrigo Barrios 8 April 2005 15 September 20062
Barrios was stripped of the title after failing to make weight the day before his scheduled bout against Joan Guzmán. [34]
13 Flag of the Dominican Republic.svg Joan Guzmán
(def. Jorge Rodrigo Barrios )
16 September 2006 14 May 20082
Guzmán vacated the title to move up to lightweight after continued difficulties negotiating a bout against mandatory challenger Alex Arthur. [35]
14 Flag of the United Kingdom.svg Alex Arthur
(interim champion promoted)
May 20080
15 Flag of the United Kingdom.svg Nicky Cook 9 September 20080
16 Flag of Puerto Rico.svg Román Martínez 14 March 20092
17 Flag of the United Kingdom.svg Ricky Burns 4 September 2010 13 September 20113
Burns vacated the title to move up to lightweight. [36]
18 Flag of the United States.svg Adrien Broner
(def. Vicente Martín Rodríguez)
26 November 2011 20 July 20121
Broner was stripped of the title after failing to make weight the day before his scheduled bout against mandatory challenger Vicente Escobedo. [37]
19 Flag of Puerto Rico.svg Román Martínez
(def. Miguel Beltrán Jr. )
15 September 20122
20 Flag of the United States.svg Mikey Garcia 9 November 2013 15 October 20141
Garcia vacates the title to move up to junior welterweight. [38]
21 Flag of Mexico.svg Orlando Salido
(interim champion promoted)
14 October 20140
22 Flag of Puerto Rico.svg Román Martínez 11 April 20151
23 Flag of Ukraine.svg Vasyl Lomachenko 11 June 2016 23 May 20184
Lomachenko vacated the title after moving up in weight and defeating Jorge Linares for the WBA lightweight world championship. [39]
24 Flag of Japan.svg Masayuki Ito
(def. Christopher Díaz )
28 July 20181
25 Flag of the United States.svg Jamel Herring 25 May 2019 present3

Featherweight

No.NameDateDefenses
1 Flag of Italy.svg Maurizio Stecca
(def. Pedro Nolasco )
28 January 19891
2 Flag of the United States.svg Louie Espinoza 11 November 19890
3 Flag of Mexico.svg Jorge Páez 7 April 1990 19901
Paez vacates the title to move up to junior lightweight.
4 Flag of Italy.svg Maurizio Stecca (2)
(def. Armando Juan Reyes)
26 January 19912
5 Flag of the United Kingdom.svg Colin McMillan 16 February 19920
6 Flag of Colombia.svg Rubén Darío Palacio 26 September 1992 19930
Palacio was stripped of the title after failing a pre-fight medical examination due to testing positive for HIV. [40]
7 Flag of the United Kingdom.svg Steve Robinson
(def. John Davison)
17 April 19937
8 Flag of the United Kingdom.svg Naseem Hamed 30 September 1995 October 200015
Hamed vacated the title after HBO refused to approve mandatory challenger István Kovács as his opponent. [41]
9 Flag of Hungary.svg István Kovács
(def. Antonio Díaz )
27 January 20010
10 Flag of Argentina.svg Pablo Chacón 16 June 2001 19 October 20022
Chacón vacates the title to move up to junior lightweight.
11 Flag of the United Kingdom.svg Scott Harrison
(def. Victor Santiago)
8 June 20022
12 Flag of Mexico.svg Manuel Medina 12 July 20030
13 Flag of the United Kingdom.svg Scott Harrison (2)29 November 2003 6 December 20066
Harrison vacated the title after withdrawing from a bout against Nicky Cook because he could no longer make the featherweight limit. [42]
14 Flag of Mexico.svg Juan Manuel Márquez
(interim champion promoted)
6 December 2006 1 April 20070
Márquez vacates to move up to junior lightweight.
15 Flag of the United States.svg Steven Luevano 14 July 20075
16 Flag of Puerto Rico.svg Juan Manuel López 23 January 20101
17 Flag of Mexico.svg Orlando Salido 16 April 20112
18 Flag of the United States.svg Mikey Garcia 19 January 2013 14 June 20130
Garcia was stripped of the title after failing to make weight the day before his scheduled bout against Juan Manuel López. [43]
19 Flag of Mexico.svg Orlando Salido (2)
(def. Orlando Cruz )
12 October 2013 28 February 20140
Salido was stripped of the title after failing to make weight the day before his scheduled bout against Vasyl Lomachenko. [44]
20 Flag of Ukraine.svg Vasyl Lomachenko
(def. Gary Russell Jr. )
21 June 2014 21 July 20163
Lomachenko vacated the title after moving up in weight and defeating Román Martínez for the WBO junior lightweight world championship. [45]
21 Flag of Mexico.svg Óscar Valdez
(def. Matías Rueda )
23 July 2016 2 August 20196
Valdez vacates the title to move up to junior lightweight. [46]
22 Flag of the United States.svg Shakur Stevenson
(def. Joet Gonzalez)
26 October 2019 7 July 20200
Stevenson vacates the title to move up to junior lightweight. [47]
23 Flag of Mexico.svg Emanuel Navarrete
(def. Ruben Villa )
9 October 2020 present1

Junior featherweight

No.NameDateDefenses
1 Flag of the United States.svg Kenny Mitchell
(def. Julio Gervacio )
29 April 19891
2 Flag of Italy.svg Valerio Nati 9 December 19890
3 Flag of Puerto Rico.svg Orlando Fernandez 12 May 19900
4 Flag of the United States.svg Jesse Benavides 24 May 19911
5 Flag of the United Kingdom.svg Duke McKenzie 15 October 19920
6 Flag of Puerto Rico.svg Daniel Jiménez 9 June 19934
7 Flag of Mexico.svg Marco Antonio Barrera 31 March 19958
8 Flag of the United States.svg Junior Jones 22 November 19961
9 Flag of the United States.svg Kennedy McKinney 18 April 1997 19980
McKinney vacates to fight for the WBC featherweight title.
10 Flag of Mexico.svg Marco Antonio Barrera (2)
(def. Richie Wenton )
31 October 19982
11 Flag of Mexico.svg Érik Morales 19 February 2000 February 20000
Morales vacates the title to move up to featherweight.
12 Flag of Mexico.svg Marco Antonio Barrera (3)
(reinstated as champion)
March 2000 April 20012
Title vacated when Barrera won the vacant IBO featherweight title.
13 Flag of the Dominican Republic.svg Agapito Sánchez
(def. Jorge Monsalvo)
23 June 2001 20021
Title stripped due to inactivity.
14 Flag of the Dominican Republic.svg Joan Guzmán
(def. Jorge Monsalvo)
17 August 2002 4 July 20052
The WBO stripped Guzman of the title due to him not making weight for a defense against Marcos Licona, scheduled for 6 November.
15 Flag of Mexico.svg Daniel Ponce de León
(def. Sod Looknongyangtoy)
29 October 20056
16 Flag of Puerto Rico.svg Juan Manuel López 7 June 2008 January 20105
Juan Manuel López vacated the title to move up to featherweight.
17 Flag of Puerto Rico.svg Wilfredo Vázquez Jr.
(def. Marvin Sonsona )
27 February 20102
18 Flag of Mexico.svg Jorge Arce 7 May 2011 18 November 20111
Arce vacated the title to move down to bantamweight. [48]
19 Flag of the Philippines.svg Nonito Donaire
(def. Wilfredo Vázquez Jr. )
4 February 20123
20 Flag of Cuba.svg Guillermo Rigondeaux 13 April 2013 28 October 20153
Rigondeaux was stripped of the title due to inactivity. [49]
21 Flag of the Philippines.svg Nonito Donaire (2)
(def. César Juárez)
11 December 20151
22 Flag of the United States.svg Jessie Magdaleno 5 November 20161
23 Flag of Ghana.svg Isaac Dogboe 28 April 20181
24 Flag of Mexico.svg Emanuel Navarrete 8 December 2018 11 July 20205
Navarrete vacates the title to move up to featherweight. [50]
25 Flag of the United States.svg Angelo Leo
(def. Tramaine Williams )
1 August 20200
26 Flag of the United States.svg Stephen Fulton 23 January 2021 present0

Bantamweight

No.NameDateDefenses
1 Flag of Venezuela.svg Israel Contreras
(def. Maurizio Lupino)
3 February 1989 19911
Contreras vacates the title in order to challenge Luisito Espinosa for the WBA title.
2 Flag of the United States.svg Gaby Canizales
(def. Miguel Lora )
12 March 19910
3 Flag of the United Kingdom.svg Duke McKenzie 30 June 19912
4 Flag of Puerto Rico.svg Rafael del Valle 13 May 19922
5 Flag of Ghana.svg Alfred Kotey 30 July 19942
6 Flag of Puerto Rico.svg Daniel Jiménez 21 October 19951
7 Flag of the United Kingdom.svg Robbie Regan 26 April 1996 19970
Regan retires.
8 Flag of Colombia.svg Jorge Eliécer Julio
(def. Oscar Maldonado)
28 July 19973
9 Flag of the United States.svg Johnny Tapia 8 January 2000 September 20001
Tapia vacates the title to fight Paulie Ayala at junior featherweight.
10 Flag of Panama.svg Mauricio Martínez
(def. Lester Fuentes)
4 September 20001
11 Flag of Mexico.svg Cruz Carbajal 15 March 20022
12 Flag of Thailand.svg Ratanachai Sor Vorapin 7 May 20041
13 Flag of Mexico.svg Jhonny González 29 October 20051
14 Flag of the Philippines.svg Gerry Peñalosa 11 August 2007 25 August 20091
Title stripped due to Peñalosa not defending the belt for a year.
15 Flag of Mexico.svg Fernando Montiel
(def. Diego Oscar Silva)
28 March 20092
16 Flag of the Philippines.svg Nonito Donaire 19 February 2011 22 October 20112
Donaire vacates the title to move up to junior featherweight.
17 Flag of Mexico.svg Jorge Arce
(def. Angky Angkotta)
26 November 2011 February 20120
Arce vacates the title to fight at junior featherweight against Nonito Donaire.
18 Flag of Thailand.svg Pungluang Sor Singyu
(def. A. J. Banal )
20 October 20120
19 Flag of Namibia.svg Paulus Ambunda 2 March 20130
20 Flag of Japan.svg Tomoki Kameda 1 August 2013 23 April 20153
Kameda's request to make his fight with Jamie McDonnell a unification bout was rejected by the WBO as McDonnell was only the "regular" champion which is considered a secondary title by the WBO. [51] As a result, Kameda relinquished his title. [52]
21 Flag of Thailand.svg Pungluang Sor Singyu
(def. Ryo Akaho)
8 August 20151
22 Flag of the Philippines.svg Marlon Tapales 27 July 2016 22 April 20170
Tapales was stripped of the title after failing to make weight the day before his bout against Shohei Omori. [53]
23 Flag of South Africa.svg Zolani Tete
(interim champion promoted)
23 April 20173
24 Flag of the Philippines.svg John Riel Casimero 30 November 2019 present1

Junior bantamweight

No.NameDateDefenses
1 Flag of Puerto Rico.svg José Ruíz Matos
(def. Bebis Rojas)
29 April 19894
2 Flag of Mexico.svg José Quirino 22 February 19920
3 Flag of Denmark.svg Johnny Bredahl 4 September 1992 19943
Bredahl vacates the title.
4 Flag of the United States.svg Johnny Tapia
(def. Henry Martínez )
14 October 1994 December 199813
Tapia vacates the title to move up to bantamweight.
5 Flag of Argentina.svg Victor Godoi
(def. Pedro Morquecho)
7 November 19980
6 Flag of Mexico.svg Diego Morales 7 June 19991
7 Flag of Nicaragua.svg Adonis Rivas 20 November 19992
8 Flag of Panama.svg Pedro Alcázar 16 June 20011
9 Flag of Mexico.svg Fernando Montiel 22 June 20021
10 Flag of the United States.svg Mark Johnson 16 August 20031
11 Flag of Mexico.svg Iván Hernández 25 September 20040
12 Flag of Mexico.svg Fernando Montiel (2)9 April 2005 January 20096
Montiel vacates his title to move up to bantamweight.
13 Flag of Puerto Rico.svg José López
(def. Pramuansak Posuwan)
28 March 20090
14 Flag of the Philippines.svg Marvin Sonsona 4 September 2009 20 November 20090
Sonsona was stripped of the title after failing to make weight on the day of his bout against Alejandro Hernández. [54]
15 Flag of Mexico.svg Jorge Arce
(def. Angky Angkotta)
30 January 2010 April 20100
Arce vacates his title to move up to bantamweight.
16 Flag of Argentina.svg Omar Andrés Narváez
(def. Everth Briceño)
15 May 201011
17 Flag of Japan.svg Naoya Inoue 30 December 2014 6 March 20187
Inoue vacates the title to move up to bantamweight.
18 Flag of the Philippines.svg Donnie Nietes
(def. Kazuto Ioka )
31 December 2018 28 February 20190
Nietes vacates the title to pursue a career-defining fight. [55]
19 Flag of Japan.svg Kazuto Ioka
(def. Aston Palicte )
19 June 2019 present2

Flyweight

No.NameDateDefenses
1 Flag of Colombia.svg Elvis Álvarez
(def. Miguel Mercedes)
3 March 1989 19900
Álvarez vacates the title due to lack of interest in it.
2 Flag of Mexico.svg Isidro Pérez
(def. Angel Rosario)
18 August 19902
3 Flag of the United Kingdom.svg Pat Clinton 18 March 19921
4 Flag of South Africa.svg Jacob Matlala 15 May 19933
5 Flag of Mexico.svg Alberto Jiménez 11 February 19955
6 Flag of Argentina.svg Carlos Gabriel Salazar 13 December 19965
7 Flag of Mexico.svg Ruben Sánchez León 14 August 19981
8 Flag of Spain.svg José Antonio López Bueno23 April 1999 19991
Bueno vacates the title due to an ankle injury thus preventing him from defending the title.
9 Flag of Mexico.svg Isidro García
(def. José López )
18 December 19991
10 Flag of Mexico.svg Fernando Montiel 15 December 2000 May 20023
Montiel vacates the title to move up to junior bantamweight.
11 Flag of Nicaragua.svg Adonis Rivas
(def. Jair Jimenez)
4 May 20020
12 Flag of Argentina.svg Omar Andrés Narváez 13 July 2002 May 201016
Narváez vacates the title to move up to junior bantamweight.
13 Flag of Mexico.svg Julio César Miranda
(def. Richie Mepranum )
12 June 20103
14 Flag of the United States.svg Brian Viloria 16 July 20113
15 Flag of Mexico.svg Juan Francisco Estrada 6 April 2013 14 September 20165
Estrada vacates the title to move up to junior bantamweight. [56]
16 Flag of the People's Republic of China.svg Zou Shiming
(def. Prasitsak Phaprom)
5 November 20160
17 Flag of Japan.svg Sho Kimura 28 July 20172
18 Flag of Japan.svg Kosei Tanaka 24 September 2018 31 January 20203
Tanaka vacates the title to move up to junior bantamweight. [57]
19 Flag of Japan.svg Junto Nakatani
(def. Giemel Magramo )
6 November 2020 present0

Junior flyweight

No.NameDateDefenses
1 Flag of Puerto Rico.svg José de Jesús
(def. Fernando Martínez)
19 May 1989 March 19923
de Jesús was stripped of the title after failing to defend it in a specific time period.
2 Flag of Puerto Rico.svg Josué Camacho
(def. Eddie Vallejo )
31 July 19921
3 Flag of the United States.svg Michael Carbajal 15 July 1994 12 November 19940
Carbajal is stripped of the title for failing to defend the title.
4 Flag of the United Kingdom.svg Paul Weir
(def. Paul Oulden)
23 November 19941
5 Flag of South Africa.svg Jacob Matlala 18 November 1995 19972
Matlala vacates the title to fight Michael Carbajal rather than defend his title.
6 Flag of Mexico.svg Jesús Chong
(def. Eric Griffin )
31 May 19970
7 Flag of Mexico.svg Melchor Cob Castro 25 August 19970
8 Flag of Argentina.svg Juan Domingo Córdoba 17 January 19981
9 Flag of Mexico.svg Jorge Arce 5 December 19981
10 Flag of the United States.svg Michael Carbajal (2)31 July 1999 August 19990
Carbajal retires.
11 Flag of South Africa.svg Masibulele Makepula
(def. Jacob Matlala )
19 February 2000 20000
Makepula vacates the title to move up to flyweight.
12 Flag of Puerto Rico.svg Nelson Dieppa
(def. Andy Tabanas)
14 April 20015
13 Flag of Mexico.svg Hugo Cázares 30 April 20054
14 Flag of Puerto Rico.svg Iván Calderón 25 August 20076
15 Flag of Mexico.svg Giovani Segura 28 August 2010 April 20111
Segura vacates the title to move up to flyweight.
16 Flag of Colombia.svg Jesús Géles
(interim champion promoted)
April 20110
17 Flag of Mexico.svg Ramón García Hirales 30 April 20110
18 Flag of the Philippines.svg Donnie Nietes 8 October 2011 3 August 20169
Nietes vacates the title to move up to flyweight. [58]
19 Flag of Japan.svg Kosei Tanaka
(def. Moisés Fuentes )
31 December 2016 30 November 20172
Tanaka vacates the title to move up to flyweight. [59]
20 Flag of Puerto Rico.svg Ángel Acosta
(def. Juan Alejo )
2 December 20173
21 Flag of Mexico.svg Elwin Soto 21 June 2019 present3

Mini flyweight

No.NameDateDefenses
1 Flag of the Dominican Republic.svg Rafael Torres
(def. Yamil Caraballo)
30 August 1989 19931
Torres vacates the title.
2 Flag of the United Kingdom.svg Paul Weir
(def. Fernando Martínez)
15 May 1993 16 December 19931
Weir vacates the title to move up in weight and challenge Josué Camacho for a junior flyweight world title. [60]
3 Flag of Puerto Rico.svg Alex Sánchez
(def. Orlando Malone )
22 December 19936
4 Flag of Mexico.svg Ricardo López 23 August 1997 6 March 19980
López vacates the title to move up to junior flyweight.
5 Flag of the Philippines.svg Eric Jamili
(def. Mickey Cantwell )
19 December 19970
6 Flag of Colombia.svg Kermin Guardia30 May 1998 20013
Guardia vacates the title to move up to junior flyweight.
7 Flag of Spain.svg Jorge Mata
(def. Reynaldo Frutos)
29 June 20021
8 Flag of Nicaragua.svg Eduardo Ray Márquez28 March 20030
9 Flag of Puerto Rico.svg Iván Calderón 3 May 2003 25 August 200711
Calderón vacates the title to move up to junior flyweight.
10 Flag of the Philippines.svg Donnie Nietes
(def. Pornsawan Porpramook )
30 September 2007 25 February 20114
Nietes vacates the title to move up in weight and challenge Ramón García Hirales for the WBO junior flyweight title.
11 Flag of Mexico.svg Raúl García
(interim champion promoted)
25 February 20111
12 Flag of Mexico.svg Moisés Fuentes 27 August 2011 19 April 20132
Fuentes vacates the title to move up to junior flyweight.
13 Flag of the Philippines.svg Merlito Sabillo
(interim champion promoted)
19 April 20132
14 Flag of Mexico.svg Francisco Rodríguez Jr. 22 March 2014 December 20141
Rodríguez vacates the title to move up to flyweight.
15 Flag of Japan.svg Katsunari Takayama
(def. Go Odaira)
31 December 2014 2 March 20150
Takayama vacates his WBO title to skip his mandatory challenger in favor of a fight with former champion Fahlan Sakkreerin.
16 Flag of Japan.svg Kosei Tanaka
(def. Julián Yedras)
30 May 2015 7 April 20161
Tanaka vacates the title to move up to junior flyweight. [61]
17 Flag of Japan.svg Katsunari Takayama (2)
(def. Riku Kano)
20 August 2016 14 April 20170
Takayama announced retirement from professional boxing in order to concentrate on training for the 2020 Summer Olympics.
18 Flag of Japan.svg Tatsuya Fukuhara
(interim champion promoted)
14 April 20170
19 Flag of Japan.svg Ryuya Yamanaka 27 August 20171
20 Flag of the Philippines.svg Vic Saludar 13 July 20181
21 Flag of Puerto Rico.svg Wilfredo Mendez 24 August 2019 present2

See also

Related Research Articles

Antonio Margarito American boxer

Antonio "Tony" Margarito Montiel is a Mexican-American former professional boxer who competed between 1994 and 2017. He held multiple welterweight world championships, including the WBO title from 2002 to 2007, the IBF title in 2008, and the WBA (Super) title from 2008 to 2009. He also challenged three times for a light middleweight world title between 2004 and 2011. Nicknamed El Tornado de Tijuana, Margarito was known for his aggressive pressure fighting style and exceptionally durable chin.

Floyd Mayweather Jr. American boxer and boxing promoter

Floyd Joy Mayweather Jr. is an American professional boxing promoter and former professional boxer. He competed between 1996 and 2015, and made a one-fight comeback in 2017. During his career he won fifteen major world championships from super featherweight to light middleweight, including the Ring magazine title in five weight classes, the lineal championship in four weight classes, and retired with an undefeated record. As an amateur, Mayweather won a bronze medal in the featherweight division at the 1996 Olympics, three U.S. Golden Gloves championships, and the U.S. national championship at featherweight.

Juan Manuel Márquez Mexican world champion boxer (b. 1973)

Juan Manuel Márquez Méndez is a Mexican former professional boxer who competed from 1993 to 2014. He is the third Mexican boxer to become a world champion in four weight classes, having held nine world championships including the WBA (Super), IBF and WBO featherweight titles between 2003 and 2007; the WBC super featherweight title from 2007 to 2008; the WBA (Super), WBO, Ring magazine and lineal lightweight titles between 2008 and 2012; and the WBO junior welterweight title from 2012 to 2013.

Demetrius Cesar Andrade is an American professional boxer. He has held multiple world championships in two weight classes, including the WBO middleweight title since 2018, and previously the WBA (Regular) and WBO light middleweight titles between 2013 and 2017. As an amateur he won the U.S. national championships and Golden Gloves twice each, a gold medal at the 2007 World Championships, and represented the U.S. at the 2008 Olympics; all in the welterweight division.

Vasiliy Lomachenko Ukrainian boxer

Vasyl Anatoliyovych Lomachenko, more commonly referred to as Vasiliy Lomachenko, is a Ukrainian professional boxer. He is a former world champion in three weight classes, having held the WBO featherweight title from 2014 to 2015; the WBO junior lightweight title from 2016 to 2017; and the unified WBA (Super), WBC, WBO and Ring magazine lightweight titles between 2018 and 2020.

Sergio Martínez (boxer) Argentine boxer

Sergio Gabriel Martínez is an Argentine professional boxer. He held the WBC interim super welterweight title from 2009 to 2010, and the unified WBC, WBO, Ring magazine and lineal middleweight titles between 2010 and 2014. With six successful defenses of the Ring and lineal middleweight titles, Martínez's 50-month reign as champion ranks as one of the longest in the history of that weight class.He also held the IBO super welterweight title from 2003 to 2004.

Billy Joe Saunders British boxer

Billy Joe Saunders is a British professional boxer. He has held world championships in two weight classes, including the WBO middleweight title from 2015 to 2018 and the WBO super-middleweight title from 2019 to May 2021. Saunders is the first boxer from the Travelling community to become a two-weight world champion. At regional level he held the European, British, and Commonwealth middleweight titles between 2012 and 2015. Saunders represented Great Britain at the 2008 Olympics as an amateur, reaching the second round of the welterweight bracket. In the same year, he won gold at the EU Championships.

Timothy Ray Bradley Jr. is an American former professional boxer who competed from 2004 to 2016. He held multiple world championships in two weight classes, including the WBC light welterweight title twice between 2008 and 2011, the WBO light welterweight title from 2009 to 2012, and the WBO welterweight title twice between 2012 and 2016.

Jeffrey Mathebula is a professional boxer was IBF junior featherweight champion and is ranked as the sixth best super bantamweight in the world by The Ring.

Canelo Álvarez Mexican boxer

Santos Saúl "Canelo" Álvarez Barragán is a Mexican professional boxer. He has won multiple world championships in four weight classes from light middleweight to light heavyweight, including unified titles in three of those weight classes. Álvarez is currently a unified super middleweight world champion, having held the WBA (Super), WBC, and Ring magazine titles since 2020, and the WBO title since May 2021.

Liam Williams is a Welsh professional boxer who challenged for the WBO interim light-middleweight title in 2017 and the WBO middleweight title in 2021. At regional level, he held the British and Commonwealth light-middleweight titles between 2014 and 2016 and the British middleweight title from 2018 to October 2020.

Teófimo López American boxer

Teófimo Andrés López Rivera Jr. is an American professional boxer. He is the current unified lightweight world champion, having held the IBF title since 2019, and the WBA (Super), WBO, and The Ring magazine titles since defeating Vasyl Lomachenko in 2020. As an amateur, he represented Honduras at the 2016 Summer Olympics.

Boxing career of Manny Pacquiao Career summary

Philippine Senator Manny Pacquiao has competed in professional boxing since 1995. Regarded by many boxing historians as one of the greatest professional boxers of all time, Pacquiao is the only boxer in history to win twelve major world titles in eight different weight divisions. He is also the first boxer in history to win the lineal championship in five different weight divisions, as well as being the first boxer in history to win major world titles in four of the original eight weight divisions of boxing, also known as the "glamour divisions": flyweight, featherweight, lightweight and welterweight.

References

  1. "Mercer stripped of title" . The Gazette. Montréal, Québec, Canada. 28 December 1991. Retrieved 5 July 2019 via Newspapers.com.
  2. Murraine, St. Clair (30 January 1997). "Akinwande tosses belt to pursue bigger title" . Tallahassee Democrat. Tallahassee, Florida. Retrieved 9 July 2019 via Newspapers.com.
  3. Rafael, Dan (13 October 2016). "Tyson Fury vacates heavyweight belts amid treatment for depression". ESPN. Archived from the original on 16 February 2019. Retrieved 5 July 2019.
  4. "Injury forces Nelson retirement". BBC Sport. 22 September 2006. Archived from the original on 3 July 2016. Retrieved 3 July 2019.
  5. "Usyk Relinquishes WBO Title; Glowacki Upgraded To Full Titlist". WBO. 5 June 2019. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  6. "Delayed World Boxing Super Series Final loses ANOTHER world title belt". WBO. 27 November 2019. Retrieved 3 February 2020.
  7. Herman, Martyn (18 May 2011). "Braehmer stripped of his title, goes to Cleverly". Reuters. Archived from the original on 4 July 2019. Retrieved 3 July 2019.
  8. Velin, Bob (21 September 2017). "Unbeaten light heavyweight champ Andre Ward retires from boxing at peak of his career". USA Today. Archived from the original on 8 February 2018. Retrieved 3 July 2019.
  9. "Canelo Alvarez vacates WBO Light heavyweight title". ringtv.com. Retrieved 25 April 2021.
  10. "Collins stripped of WBO title" . The Dispatch. Moline, Illinois. 2 October 1997. Retrieved 4 July 2019 via Newspapers.com.
  11. "Calzaghe ends division domination". BBC. 3 October 2008. Archived from the original on 6 September 2018. Retrieved 3 July 2019.
  12. Rafael, Dan (13 May 2019). "Zurdo Ramirez vacates super middleweight title". ESPN. Archived from the original on 2 June 2019. Retrieved 3 July 2019.
  13. Katz, Michael (16 November 1998). "As Jones fizzles, Mosley sizzles" . Daily News. New York, New York. Retrieved 6 July 2019 via Newspapers.com.
  14. Rafael, Dan (1 June 2010). "WBO strips Martinez of title". ESPN. Archived from the original on 29 September 2018. Retrieved 4 July 2019.
  15. Fischer, Doug (4 September 2014). "Peter Quillin vacates WBO title, pulls out of Matt Korobov fight". The Ring. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  16. Rafael, Dan (11 October 2018). "Billy Joe Saunders vacates 160-pound title after positive doping test". ESPN. Archived from the original on 9 April 2019. Retrieved 4 July 2019.
  17. Plunkett, Bill (27 February 1996). "British boxer backs out, WBO strips belt" . The Desert Sun. Palm Springs, California. Retrieved 4 July 2019 via Newspapers.com.
  18. Rosenburg, David (7 October 2011). "Dzinziruk Gets Stripped, Baysangurov The New Champ" . Retrieved 3 August 2021.
  19. Jay, Phil (22 July 2013). "Baysangurov stripped of WBO belt, Andrade in line for vacant title". World Boxing News. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  20. Rafael, Dan (11 October 2018). "WBO strips Demetrius Andrade of junior middleweight title due to inactivity". ESPN. Archived from the original on 27 June 2017. Retrieved 4 July 2019.
  21. Themistode, Hans (23 November 2019). "Jamie Munguia Vacates Title To Face Gary O'Sullivan in Middleweight Debut". Archived from the original on 3 August 2021. Retrieved 3 August 2021.
  22. "WBO title stripped from flu-stricken boxer" . Calgary Herald. Calgary, Alberta, Canada. 14 October 1993. Retrieved 4 July 2019 via Newspapers.com.
  23. Katz, Michael (21 November 1996). "Make room for Oscar" . Daily News. New York, New York. Retrieved 4 July 2019 via Newspapers.com.
  24. Rafael, Dan (14 November 2008). "Ambitious Williams vacates welterweight belt". ESPN. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  25. Rafael, Dan (7 July 2015). "Floyd Mayweather Jr. stripped of WBO welterweight title". ESPN. Archived from the original on 31 January 2018. Retrieved 4 July 2019.
  26. Rafael, Dan (9 February 2016). "Unable to fulfill mandatory defense, Timothy Bradley Jr. vacates title". ESPN. Archived from the original on 25 February 2019. Retrieved 4 July 2019.
  27. Rafael, Dan (27 June 2012). "Timothy Bradley Jr. stays at 147". ESPN. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  28. Christ, Scott (2 November 2014). "Chris Algieri forced to vacate 140-pound belt for Pacquiao fight". Bad Left Hook. Archived from the original on 25 March 2015. Retrieved 4 July 2019.
  29. Rafael, Dan (30 October 2017). "Terence Crawford moving up to fight in 147-pound welterweight division". ESPN. Archived from the original on 31 March 2019. Retrieved 4 July 2019.
  30. Idec, Keith (14 January 2006). "Corrales-Castillo fight postponed" . The Herald-News. Passaic, New Jersey. Retrieved 4 July 2019 via Newspapers.com.
  31. Rafael, Dan (13 February 2009). "Campbell can't make weight for Funeka". ESPN. Archived from the original on 21 May 2018. Retrieved 4 July 2019.
  32. "Terry Flanagan vacates WBO title, heads to 140 as #1 contender / Terence Crawford mandatory at 147". World Boxing News. 27 October 2017. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  33. "Douglas schedules 3rd bout in comeback" . The Orlando Sentinel. Orlando, Florida. 17 January 1997. Retrieved 4 July 2018 via Newspapers.com.
  34. Rafael, Dan (14 September 2006). "Barrios can't make weight, loses junior lightweight belt". ESPN. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  35. Rafael, Dan (14 May 2008). "Guzman gives up junior lightweight belt". ESPN. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  36. Gilfoid, Scort (13 September 2011). "Burns Vacates WBO Title, Will Fight Katsidis For Vacant Lightweight Belt On November 12th". Boxingnews24. Archived from the original on 3 August 2021. Retrieved 3 August 2021.
  37. Rafael, Dan (20 July 2012). "Adrien Broner stripped of title". ESPN. Archived from the original on 6 February 2019. Retrieved 4 July 2019.
  38. Rafael, Dan (14 October 2014). "Mikey Garcia targets 140 pounds". ESPN. Archived from the original on 11 December 2017. Retrieved 4 July 2019.
  39. Rafael, Dan (25 May 2018). "Vasiliy Lomachenko vacates jr. lightweight title; Aug. 25 return off". ESPN. Archived from the original on 5 October 2018. Retrieved 4 July 2019.
  40. "WBO champ stripped of crown after testing positive for AIDS virus" . Elko Daily Free Press. Elko, Nevada. Associated Press. 16 April 1993. Retrieved 4 July 2019 via Newspapers.com.
  41. "Hamed resigns WBO title". BBC Sport. 9 October 2000. Archived from the original on 16 October 2010. Retrieved 4 July 2019.
  42. "Harrison pulls out of featherweight fight vs. Cook". ESPN. Associated Press. 6 December 2006. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  43. "Garcia stripped of title for failing to make weight". USA Today. Associated Press. 15 June 2013. Archived from the original on 25 July 2013. Retrieved 4 July 2019.
  44. Rafael, Dan (28 February 2014). "Orlando Salido stripped of world title". ESPN. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  45. Coppinger, Mike (21 July 2016). "Vasyl Lomachenko will stay at 130 pounds, vacates featherweight title". USA Today. Archived from the original on 4 July 2019. Retrieved 4 July 2019.
  46. Flessel, Dean (2 August 2019). "Oscar Valdez Vacates WBO Title, Shakur Stevenson Will Fight For Belt". Boxingnews24. Archived from the original on 3 August 2021. Retrieved 3 August 2021.
  47. Donovan, Jake (12 July 2020). "Stevenson Officially Vacates WBO 126 Title, Installed As Number One Contender At 130". Boxingscene. Retrieved 3 August 2021.
  48. Christ, Scott (18 November 2011). "Jorge Arce Vacates Title, Donaire vs Vazquez Could Happen For WBO Belt at 122". Bad Left Hook. Archived from the original on 28 December 2011. Retrieved 4 July 2019.
  49. Rafael, Dan (28 October 2015). "WBO strips Guillermo Rigondeaux of a 122-pound belt". ESPN. Archived from the original on 15 January 2018. Retrieved 3 July 2019.
  50. Salazar, Francisco (12 July 2020). "Emanuel Navarrete vacates WBO 122-pound title, will be named mandatory at 126". The Ring. Archived from the original on 15 January 2021. Retrieved 31 May 2021.
  51. Rivera, Miguel (21 April 2015). "WBO Shoots Down Kameda-McDonnell Unification". Boxingscene. Retrieved 3 August 2021.
  52. Rivera, Miguel (23 April 2015). "Tomoki Kameda Vacates WBO Belt, Focused on McDonnell". Boxingscene. Retrieved 3 August 2021.
  53. Songalia, Ryan (22 April 2017). "'Dehydrated' Tapales loses WBO bantamweight title on scales". The Ring. Archived from the original on 18 July 2019. Retrieved 17 July 2019.
  54. Christ, Scott (21 November 2009). "Marvin Sonsona drops title on the scales in Ontario". Bad Left Hook. Archived from the original on 6 July 2019. Retrieved 5 July 2019.
  55. Pamintuan, Carlos (1 March 2019). "Donnie Nietes vacates WBO title, seeks bigger fights". ESPN. Archived from the original on 4 July 2019. Retrieved 5 July 2019.
  56. Rafael, Dan (20 September 2016). "Juan Francisco Estrada vacates 2nd flyweight title, will move up in weight". ESPN. Archived from the original on 11 October 2018. Retrieved 5 July 2019.
  57. "田中恒成がフライ級王座返上 2020年は4階級制覇へ". Boxingnews (in Japanese). 4 February 2020. Archived from the original on 29 November 2020. Retrieved 3 August 2021.
  58. Songalia, Ryan (3 August 2016). "Donnie Nietes vacates 108-pound belt, moves to flyweight". The Ring. Archived from the original on 5 July 2019. Retrieved 5 July 2019.
  59. Koizumi, Joe (30 November 2017). "WBO 108lb champ Tanaka renounces his belt". Fightnews (in Japanese). Archived from the original on 28 April 2021. Retrieved 3 August 2021.
  60. "Weir gives up WBO title" . Detroit Free Press. Detroit, Michigan. 16 December 1993. Retrieved 13 July 2019 via Newspapers.com.
  61. "田中恒成がミニマム級王座返上、年内2階級制覇へ". Boxingnews (in Japanese). 7 April 2016. Archived from the original on 22 October 2020. Retrieved 3 August 2021.