Stephen Collins is an Irish former professional boxer who competed from 1986 to 1997. Known as the Celtic Warrior, Collins is the most successful Irish boxer in recent professional boxing history, having held the WBO middleweight and super-middleweight titles simultaneously and never losing a fight as champion.
Ricardo López Nava is a Mexican former professional boxer who competed from 1985 to 2001. He was a two-weight world champion, having held the WBC mini flyweight title from 1990 to 1998, defending it against a record-breaking 21 opponents; the WBA and WBO mini flyweight titles between 1997 and 1998; and the IBF junior flyweight title from 1999 until his retirement in 2001. He is one of just fifteen world boxing champions to retire without a loss. He is the father of undefeated former boxer Alonso López.
Brian Viloria is a retired American professional boxer of Filipino descent. He is a former unified WBA and WBO flyweight champion, as well as a former WBC and IBF light flyweight champion. His nickname of "The Hawaiian Punch" was first given to him by Jesus Salud, a fellow Hawaiian of Filipino descent and himself a former world champion in boxing.
Marcellus Joseph Johnson, better known as Mark "Too Sharp" Johnson, is an American former professional boxer who competed from 1990 to 2006. He is a three-time world champion in two weight classes, having held the IBF flyweight title from 1996 to 1999; the IBF junior bantamweight title from 1999 to 2000; and the WBO junior bantamweight title from 2003 to 2004.
Hugo Fidel Cázares is a Mexican retired professional boxer who is the former WBA super flyweight champion, WBO and Lineal light flyweight champion.
Kennedy McKinney is an American former professional boxer, who won the bantamweight gold medal at the 1988 Summer Olympics. As a professional, he won the IBF and WBO super bantamweight titles.
Damaen Kelly is a British former professional boxer from Belfast, Northern Ireland, who competed from 1997 to 2006. He held the IBO flyweight title from 2000 to 2001 and the IBO super-flyweight title in 2004, and once challenged for the IBF flyweight title in 2003. At regional level, he held the Commonwealth flyweight title from 1998 to 1999; the British flyweight title in 1999; and the European flyweight title in 2000. As an amateur he represented Ireland in the flyweight division, winning bronze medals at the 1993 World Championships and 1996 European Championships, and reached the quarter-finals of the 1996 Summer Olympics in Atlanta, US.
Zou Shiming is a Chinese former professional boxer who competed from 2013 to 2017 and held the WBO flyweight title from 2016 to 2017. As an amateur, Zou is China's most successful boxer of all time. In the light-flyweight division, he won three consecutive Olympic medals, as well as three World Amateur Boxing Championships gold medals in 2005, 2007 and 2011.
Nonito Gonzales Donaire Jr. is a Filipino professional boxer. He has held multiple world championships in four weight classes from flyweight to featherweight, and is the oldest boxer in history to win a bantamweight world title, as well as being the first three-time champion in that weight class. Donaire has also held world championships in three consecutive decades: the 2000s, 2010s and 2020s, being the sixth boxer to do so after Evander Holyfield, Manny Pacquiao, Bernard Hopkins, Érik Morales, and Floyd Mayweather Jr.
Alex John Banal, more commonly known as A. J. “Bazooka” Banal, is a Filipino professional boxer. Banal resides in Ermita, Cebu City, Cebu, where he trains in the city's famed ALA Boxing Gym.
Donnie Liboon Nietes is a Filipino professional boxer. He is a world champion in four weight-classes, having previously held the WBO mini-flyweight title from 2007 to 2011; the WBO and The Ring magazine junior-flyweight titles between 2011 and 2016; IBF flyweight title from 2017 to 2018; and the WBO junior-bantamweight title from 2018 to 2019. He is the longest-reigning Filipino boxing world champion, surpassing in 2014 the record set in 1967 by Boxing Hall of Fame inductee Gabriel "Flash" Elorde. He was one of the first three Asian fighters with world titles in at least four weight classes alongside fellow Filipinos Manny Pacquiao and Nonito Donaire.
Arthur Anthony Johnson is a former professional boxer from the United States, nicknamed "Flash".
Carl Frampton is a former professional boxer from Northern Ireland who competed from 2009 to April 2021. He is a former two-weight world champion, having held the WBA (Unified) and IBF super-bantamweight titles between 2014 and 2016, and the WBA (Super) featherweight title from 2016 to 2017. He also held the WBO interim featherweight title in 2018. At regional level, he held the European and Commonwealth super-bantamweight titles between 2011 and 2014.
Jamie Kavanagh is an Irish professional boxer from Dublin. He is currently signed with Golden Boy Promotions.
Barry Jones is a Welsh former boxer. He won the WBO super featherweight championship in 1997, but was stripped of the title when his license was revoked by the British Boxing Board of Control after an anomaly was discovered during a brain scan.
Michael John Conlan is an Irish professional boxer who challenged for the WBA (Regular) featherweight title in March 2022. As an amateur, he reached number one in the AIBA bantamweight world rankings, with achievements that include a bronze medal at the 2012 Olympics and gold at the 2015 World Championships. He has been one of Ireland's most successful amateur fighters of all time. He turned professional in 2016 after misgivings with the amateur sport, and had his first bout in 2017.
Ryan Burnett is a Northern Irish former professional boxer who competed from 2013 to 2019. He was a unified bantamweight world champion, having held the WBA (Unified) and IBF titles between 2017 and 2018. At regional level he held the British bantamweight title from 2015 to 2017. As an amateur, he represented Ireland at the 2010 Summer Youth Olympics and won a gold medal in the light-flyweight division.
Jerwin Juntilla Ancajas is a Filipino professional boxer. He has held the IBF junior-bantamweight title between September 2016 to February 2022.
James Martin Tennyson is a Northern Irish former professional boxer who competed from 2012 to 2021. who challenged for the IBF super-featherweight title in 2018 and the IBO lightweight title in May 2021. At regional level he held the Commonwealth and European super-featherweight titles in 2018 and the British lightweight title from 2020 to May 2021.
Jonas Sultan is a Filipino professional boxer. He is the current WBO Inter-continental bantamweight champion. He held the IBF Inter-continental junior bantamweight title since December 2016 by beating South Africa's Makazole Tete.
Jerwin Ancajas 
SSE Arena, Belfast, Northern Ireland
Yader Cardoza 
David Koos
Patrik Bartos
Adrian Dimas Garzon
National Stadium, Dublin, Ireland
Junior Granados
Benjamin Smoes
Elemir Rafael
Hyusein Hyuseinov