Fernando Javier Vargas is an American former professional boxer who competed from 1997 to 2007. He was a two-time light middleweight world champion, having held the IBF title from 1998 to 2000, and the WBA title from 2001 to 2002. With his IBF title win, Vargas became the youngest boxer in history to win a light middleweight world title, at age 21. As an amateur he won a bronze medal in the light welterweight division at the 1995 Pan American Games, and reached the second round of the welterweight bracket at the 1996 Olympics.
Frankie Billy Randall was an American professional boxer who competed from 1983 to 2005. He was a three-time light welterweight world champion, having held the WBA, WBC, and lineal titles between 1994 and 1997. Randall is best known for being the first boxer to defeat Julio César Chávez, whose record at the time of their 1994 fight stood at 89 wins and a draw.
Alexander Vladimirovich "Sasha" Povetkin is a Russian former professional boxer who competed from 2005 to 2021. He held the WBA (Regular) heavyweight title from 2011 to 2013, the WBC interim heavyweight title from 2020 to March 2021, and challenged twice for the unified heavyweight championship.
Shannon Briggs is an American former professional boxer. He has held a world heavyweight championship twice, including the lineal title from 1997 to 1998, and the WBO title from 2006 to 2007. Briggs is known for his formidable punching power and aggression, possessing an 88.3% knockout-to-win percentage with 37 knockout wins in the first round. Undisputed heavyweight champion Lennox Lewis stated in 2015 that Briggs had the fastest hands and best punching power of any opponent he ever faced. He holds notable wins over heavyweight champions George Foreman, Ray Mercer and Siarhei Liakhovich.
Alfonso Zamora Quiroz is a Mexican former professional boxer who competed from 1973 to 1980. He was the Lineal and WBA bantamweight champion, and made five title defenses. As an amateur, he won a silver medal in the bantamweight event at the 1972 Munich Olympics.
Francisco Javier Castillejo Rodríguez, commonly known as Javier Castillejo, is a Spanish former professional boxer who competed from 1988 to 2009. He held multiple world championships in two weight classes, including the WBC and lineal light-middleweight titles from 1999 to 2001, the WBC light-middleweight title again in 2005, and the WBA middleweight title from 2006 to 2007. At regional level he held the European light-middleweight title twice between 1994 and 1998, and the European Union middleweight title in 2002.
Francois "Frans" Botha is a South African former professional boxer and kickboxer. In boxing he competed from 1990 to 2014, and is perhaps best known for winning the IBF heavyweight title against Axel Schulz in 1995, but was later stripped after failing a drug test. He later challenged twice for world heavyweight titles in 2000 and 2002. Botha has competed against former Heavyweight Champions Mike Tyson, Wladimir Klitschko, Lennox Lewis, Michael Moorer and Evander Holyfield late in their respective careers. Botha participated once in mixed martial arts in 2004.
Julio César Vásquez is an Argentine retired professional boxer best known to have held a WBA junior middleweight title.
Nonito Gonzales Donaire Jr. is a Filipino professional boxer. He has held multiple world championships in four weight classes from flyweight to featherweight, including the WBC bantamweight title since May 2021. In addition to being the oldest boxer in history to become a bantamweight world champion, Donaire holds the distinction of being the first three-time champion in that weight class. He has also held world championships across 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.
Guillermo Jones is a former Panamanian professional boxer. He held the WBA cruiserweight title from 2008 to 2012, and challenged twice for the WBA super welterweight title in 1998.
Ruben Edaurdo Acosta is an Argentine professional boxer. He is the current South American super middleweight champion.
Kazuto Ioka is a Japanese professional boxer. He is a four-weight world champion, having held the WBO super-flyweight title since 2019. He previously held the unified WBA and WBC mini-flyweight titles between 2011 and 2012, the WBA (Regular) light-flyweight title between 2012 and 2014, and the WBA flyweight title between 2015 and 2017. As of December 2020, he is ranked as the world’s fourth-best active super-flyweight by BoxRec, and third by The Ring magazine and the Transnational Boxing Rankings Board. He is also ranked as the world's ninth-best boxer, pound for pound, by The Ring.
Jarrell Miller is an American professional boxer and former kickboxer who competes in the heavyweight division. He first came to prominence in 2007 when he competed for the New Jersey Tigers in the World Combat League and made it to the finals of the New York Golden Gloves tournament that same year. Miller was due to challenge Anthony Joshua for the WBA (Super), IBF, WBO, and IBO heavyweight titles in 2019, but was denied a license to box after failing multiple drug tests.
Noé González Alcoba is an Uruguayan boxer and a former world title challenger.
Lucas Browne is an Australian professional boxer and former mixed martial artist and kickboxer. He held the WBA (Regular) heavyweight title in 2016 when he stopped Ruslan Chagaev. In boxing, he held the Australian and Commonwealth heavyweight titles between 2012 and 2015.
Luis Ortiz is a Cuban professional boxer. He held the WBA interim heavyweight title from 2015 to 2016, and challenged twice for the WBC heavyweight title in 2018 and 2019. As an amateur, he won a silver medal at the 2005 Boxing World Cup. Nicknamed "King Kong", he is known for his formidable punching power and counterpunching skills. As of November 2021, he is ranked as the world's eighth-best active heavyweight by The Ring magazine and the Transnational Boxing Rankings Board.
Dmitry Yuryevich Bivol is a Kyrgyz-born Russian professional boxer who has held the WBA light-heavyweight title since 2017. As an amateur, he won a gold medal at the 2013 World Combat Games in the 81 kg weight category. As of November 2021, Bivol is ranked as the world's second best active light-heavyweight by The Ring, the Transnational Boxing Rankings Board and ESPN and third by BoxRec.
Luis Esteban Nery Hernández is a Mexican professional boxer. He is a two-weight world champion, having held the WBC and Ring magazine bantamweight titles between 2017 and 2018, and the WBC super bantamweight title from 2020 to May 2021. As of March 2022, Nery is ranked as the worlds fourth best super bantamweight by BoxRec and tenth best by The Ring.
Roger Andrés Gutiérrez Cuevas is a Venezuelan professional boxer who has held the WBA super featherweight title since 2021.
Argentina
