Jorge Armando Arce Armenta, best known as Jorge Arce, is a Mexican former professional boxer who competed from 1996 to 2014. He is a multiple-time world champion, and the second boxer from Mexico to win world titles in four weight divisions. In a storied career, Arce held the WBO light flyweight title from 1998 to 1999; the WBC and lineal light flyweight titles from 2002 to 2004; the WBO super flyweight title in 2010; the WBO junior featherweight title in 2011; and the WBO bantamweight title from 2011 to 2012. Additionally he held the WBC interim flyweight title from 2005 to 2006, the WBA interim super flyweight title from 2008 to 2009, and challenged once for the WBC featherweight title in his final fight in 2014.
Kim Ji-won is a former South Korean boxer who was an unbeaten world champion in the super bantamweight division. He is one of just fifteen world boxing champions to retire without a loss.
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.
Vakhtang "Vic" Darchinyan is an Armenian-Australian former professional boxer who competed from 2000 to 2017. He held multiple world championships in two weight classes, including the IBF flyweight title from 2004 to 2007; and the WBA, WBC, IBF, and lineal super-flyweight titles between 2008 and 2010. Additionally, he held a record four IBO titles at flyweight, super-flyweight, and twice at bantamweight between 2005 and 2011. A southpaw with a highly unique fighting style and formidable punching power, Darchinyan became the first Armenian boxer to win a world title in 2004.
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.
Fernando Montiel Martínez is a Mexican professional boxer. He is a multiple-time former world champion in three weight classes, having held the WBO flyweight title from 2001 to 2002, the WBO junior bantamweight title twice between 2002 and 2008, and the unified WBC and WBO bantamweight titles from 2010 to 2011.
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.
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.
Duke McKenzie is a British former professional boxer who competed from 1982 to 1998. He is a three-weight world champion, having held the IBF flyweight title from 1988 to 1989; the WBO bantamweight title from 1991 to 1992; and the WBO junior-featherweight title from 1992 to 1993. At regional level he held the British flyweight title from 1985 to 1988; the European flyweight title from 1986 to 1988; and the British featherweight title from 1993 to 1994. After retiring from the sport, McKenzie has worked as a boxing commentator for broadcaster ITV.
Paul Andrew Ingle is a British former professional boxer who competed from 1994 to 2000. He held multiple championships at featherweight, most notably the IBF title from 1999 to 2000, and the IBO title in 2000. At regional level he held the European, British, and Commonwealth titles between 1997 and 1999. As an amateur, Ingle represented Great Britain at the 1992 Summer Olympics, reaching the second round of the flyweight bracket.
Roberto Garcia Cortez is an American former professional boxer who competed from 1992 to 2001, and held the IBF junior lightweight title from 1998 to 1999. He has since worked as a boxing trainer, and was voted Trainer of the Year by The Ring magazine in 2011, and by the Boxing Writers Association of America in 2012. He is the older brother of professional boxer Mikey Garcia, who is a world champion in four weight classes.
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.
Geronimo "Gerry" J. Peñalosa is a Filipino former professional boxer who competed from 1989 to 2010. He is a two-weight world champion, having held the WBC and lineal super flyweight titles from 1997 to 1998, and the WBO bantamweight title from 2007 to 2009. Originally from the city of San Carlos, Negros Occidental, Peñalosa currently resides in Manila. He was trained mainly by Freddie Roach, and went on to become a boxing trainer himself after retirement. Peñalosa's older brother, Dodie Boy Peñalosa, is also a former boxer and world champion.
Arthur Anthony Johnson is a former professional boxer from the United States, nicknamed "Flash".
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.
John Riel Reponte Casimero is a Filipino professional boxer and YouTuber. He has held world championships in three weight classes; including the IBF junior-flyweight title from 2012 to 2013; the IBF flyweight title in 2016; and the WBO bantamweight title from 2019 to 2022. Quadro Alas is Tagalog for four of a kind when translated, his moniker means Four Aces.
Juan Alberto Rosas is a Mexican professional boxer and the former IBF Super Flyweight champion. Juan Alberto fights out of Navojoa, Sonora, Mexico.
Jackson "Action" Asiku is a Ugandan-Australian amateur flyweight and professional feather/super featherweight boxer.
Thabo Sonjica
Jorge Arce 
Malik Bouziane 
Centre Omnisports, Massy, France
Julio David Roque Ler
Feliciano Dario Azuaga
Rafael Tirado