The International Boxing Organization (IBO) is a US based corporation that sanctions professional boxing matches and awards world and regional championships.
Jamie McDonnell is a British former professional boxer who competed from 2005 to 2019. He held the IBF bantamweight title in 2013 and the WBA (Regular) title from 2014 to 2018. He held multiple regional bantamweight championships, including the British title twice between 2010 and 2011; the Commonwealth title from 2010 to 2011; and the European title from 2010 to 2012. He is the twin brother of fellow boxer Gavin McDonnell.
Yésica Yolanda Bopp is an Argentine professional boxer. She is a two-division world champion, having held the WBA (Super) female light-flyweight title since November 2020, and previously the WBO female light-flyweight title from 2009 to 2013 and the WBO flyweight title in 2014. As of September 2020, she is ranked as the world's best active female light-flyweight by The Ring and BoxRec, and the seventh best active female, pound-for-pound, by The Ring and BoxRec, and ninth by ESPN.
Juan Carlos Sánchez Terrones is a Mexican professional boxer who held the IBF super flyweight title from 2012 to 2013.
Juan Francisco Estrada Romero is a Mexican professional boxer. He is a two-weight world champion, having held the WBC super flyweight title since 2022 and The Ring super flyweight title since 2019. He previously held the WBA (Unified) and WBO flyweight titles between 2012 and 2015, and the WBC super flyweight title in March 2021 and the WBA (Super) title from March 2021 to August 2022. He also challenged once for the WBA light flyweight title in 2012. As of January 2021, Estrada is ranked as the world's ninth best active boxer, pound for pound, by the Transnational Boxing Rankings Board (TBRB), seventh by The Ring, and tenth by Boxing Writers Association of America (BWAA). He is also ranked as the world's best active super flyweight by The Ring and the TBRB and BoxRec.
Daniel Ward is a South African professional light fly/fly/super fly/bantamweight boxer of the 1980s, '90s and 2000s who won the Transvaal flyweight title, South African flyweight title, and Commonwealth flyweight title, and was a challenger for the South African super flyweight title against Nkosana Vaaltein, World Boxing Association (WBA) Inter-Continental flyweight title against Mzukisi Sikali, and World Boxing Union (WBU) flyweight title against Sornpichai Kratingdaenggym, his professional fighting weight varied from 106 lb, i.e. light flyweight to 115+1⁄4 lb, i.e. bantamweight. He was trained by Carlos Jacamo.
Michael Ebo Danquah is a Ghanaian professional light fly/fly/super fly/bantamweight boxer of the 1980s and '90s who won the ABU light flyweight title, WBC International light flyweight title, and Commonwealth light flyweight title, and was a challenger for the WBC International super flyweight title against Torsak Pongsupa, and ABU bantamweight title against Ernest Koffi, His professional fighting weight varied from 108 lb, i.e. light flyweight to 115+1⁄4 lb, i.e. bantamweight.
Alfonso Zvenyika "Mosquito" Lambarda is a Zimbabwean/Australian professional fly/super fly/bantam/super bantamweight boxer of the 1990s and 2000s who won the Zimbabwe super flyweight title, African Zone 6 Flyweight Title, and Commonwealth light flyweight title, his professional fighting weight varied from 109 lb, i.e. flyweight to 118+1⁄2 lb, i.e. super bantamweight.
"Big" Jim West was an Australian professional fly/super fly/bantam/super bantam/feather/super feather/light/light welter/welterweight boxer of the 1970s and '80s who won the Australian flyweight title, New South Wales (Australia) State bantamweight title, Australian super featherweight title, and Commonwealth flyweight title, and was a challenger for the Australian bantamweight title against Brian Roberts, Australian lightweight title against Matt Ropis, Australian super featherweight title against Paul Ferreri, New South Wales (Australia) State lightweight title against Willie Tarika, and New South Wales (Australia) State light welterweight title against Gary Rosen, his professional fighting weight varied from 110 lb, i.e. flyweight to 143+1⁄4 lb, i.e. welterweight, he died in Sydney.
Paolo Ferreri, known as Paul Ferreri, was an Italian/Australian professional super fly/bantam/super bantam/feather/super featherweight boxer of the 1970s and '80s who won the Australian bantamweight title, Australian featherweight title, Australian super featherweight title, holding all three Australian titles simultaneously, Commonwealth bantamweight title (twice), and inaugural Commonwealth super bantamweight title, and was a challenger for the World Boxing Council (WBC) bantamweight title against Carlos Zárate, his professional fighting weight varied from 113+1⁄2 lb, i.e. super flyweight to 129+1⁄2 lb, i.e. super featherweight. He was inducted into the Australian National Boxing Hall of Fame in 2006.
Dale Robinson born in Huddersfield is an English amateur flyweight and professional fly/super fly/bantam/super bantamweight boxer of the 1990s and 2000s, who as an amateur won the 1999 Amateur Boxing Association of England (ABAE) flyweight title, against Anthony Joyett, boxing out of Hard and Fast ABC (Barnsley), and 2000 Amateur Boxing Association of England (ABAE) flyweight title, against D. Bennett, boxing out of Hard and Fast ABC (Barnsley), and as a professional won the British Boxing Board of Control (BBBofC) Central Area flyweight title, and Commonwealth flyweight title, drew with Chris Edwards for the vacant BBBofC British flyweight title, and vacant Commonwealth flyweight title, and was a challenger for the International Boxing Organization (IBO) super flyweight title against Jason Booth, BBBofC British bantamweight title against Martin Power, and BBBofC English flyweight title against Chris Edwards, his professional fighting weight varied from 110+3⁄4 lb, i.e. flyweight to 120 lb, i.e. super bantamweight. Dale Robinson was trained by Chris Aston, and managed by Tommy Gilmour.
Johnny Armour is an English amateur flyweight and professional super fly/bantam/super bantam/featherweight boxer of the 1990s and 2000s.
Andrew Moloney is an Australian professional boxer who held the WBA (Regular) super-flyweight title in 2020, having previously held the interim title since 2019. At regional level he held the WBA Oceania bantamweight title from 2016 to 2017 and the Commonwealth super-flyweight title in 2017. As an amateur, he won a gold medal at the 2014 Commonwealth Games in the flyweight division. As of June 2020, he is ranked as the world’s seventh best active super-flyweight by The Ring magazine, eighth by the Transnational Boxing Rankings Board and ninth by BoxRec.
Ross Burkinshaw is an English former professional boxer who has won the British Boxing Board of Control (BBBofC) English Super flyweight title, bantamweight Commonwealth title beating Jason Cunningham and WBO European bantamweight Title. He has been a challenger for the BBBofC super flyweight title against Lee Haskins, the BBBofC English bantamweight title against Craig Lyon, and the BBBofC Central (England) Area super bantamweight title against Gavin McDonnell.
Daniela Romina Bermúdez is an Argentine professional boxer. She is a former world champion in three weight classes, having held the WBO female bantamweight title twice between 2013 and 2020; the WBO female super flyweight title from 2014 to 2017; and the IBF female junior featherweight title twice between 2018 and 2020. She is the older sister of former light flyweight world champion of boxing, Evelyn Nazarena Bermúdez.
Guadalupe Martínez Guzmán is a Mexican professional boxer who held the WBC female super flyweight title from 2017 to December 2020. Between 2013 and 2014, she challenged for the IBF female super flyweight and junior flyweight titles, as well as the WBA interim female super flyweight title twice. As of September 2020, she is ranked as the world's best active female super flyweight by The Ring and BoxRec.
Naoko Fujioka is a Japanese professional boxer. She is Japan's first ever five-division world champion, having held the WBA female flyweight title between March 2017 to April 2022. She also previously held the WBC female minimumweight; WBO female junior-flyweight; WBA female super-flyweight; and WBO female bantamweight titles between 2012 and 2017. As of September 2020, she is ranked as the world's best active female flyweight by The Ring and BoxRec.
Manami Arima, better known as Tenkai Tsunami, is a Japanese professional boxer. She is a world champion in two weight classes, having held the WBO female junior-flyweight title from 2018 to July 2021 and previously the WBA female super-flyweight title from 2009 to 2012. She also held the challenged for the WBA female bantamweight title in 2012; the WBC female super-flyweight title in 2013; and the IBF female bantamweight title in 2015. As of September 2020, she is ranked as the world's third best active female junior-flyweight by The Ring and fifth by BoxRec.
Jessica Chávez Valencia is a Mexican professional boxer. She is a former world champion in two weight classes, having held the IBF female light flyweight title from 2011 to 2013 and the WBC female flyweight title from 2015 to 2017. She also challenged for the WBC female light flyweight title in 2014 and the WBC female super flyweight title in 2019. As of September 2020, she is ranked as the world's second best active female super flyweight by The Ring and third by BoxRec.
Charlie Edwards 
Simas Volosinas
