Michael Spinks is an American former professional boxer who competed from 1977 to 1988. He held world championships in two weight classes, including the undisputed light heavyweight title from 1983 to 1985, and the lineal heavyweight title from 1985 to 1988. As an amateur he won a gold medal in the middleweight division at the 1976 Summer Olympics.
Leon Spinks was an American professional boxer who competed from 1977 to 1995. In only his eighth professional fight, he won the undisputed heavyweight championship in 1978 after defeating Muhammad Ali in a split decision, in what is considered one of the biggest upsets in boxing history. Spinks was later stripped of the WBC title for facing Ali in an unapproved rematch seven months later, which he lost by a unanimous decision.
Cornelius Johannes Sanders was a South African professional boxer who competed from 1989 to 2008. He won the WBO heavyweight title in 2003 after knocking out Wladimir Klitschko in two rounds, which was considered one of the biggest upsets in heavyweight boxing history; The Ring magazine named it the Upset of the Year. In 2004, having vacated the WBO title, Sanders faced Wladimir's brother Vitali Klitschko in an unsuccessful challenge for the vacant WBC and Ring heavyweight titles. He also held the WBU heavyweight title from 1997 until 2000 and the South Africa national heavyweight title in 1991.
Michael Marshall Dokes was an American professional boxer who competed from 1976 to 1997, and held the WBA heavyweight title from 1982 to 1983. As an amateur he won a silver medal in the heavyweight division at the 1975 Pan American Games.
Leotis Martin was an American boxer, the first ever NABF heavyweight champion. Martin is best known for his victory over former-undisputed heavyweight champion Sonny Liston. A good puncher and fairly skilled heavyweight, he compiled a record of 31 wins and 5 losses from 1962 to 1969. Outside of Liston, he also won against top contenders Alvin Lewis, Karl Mildenberger, Thad Spencer, Sonny Banks, and Roberto Davila, and was listed by The Ring as one of the 100 greatest punchers of all time. His career, however, was marked by inconsistency and bad luck.
Shannon Briggs is an American former professional boxer who competed between 1992 and 2016. He held the World Boxing Organization (WBO) heavyweight title from 2006 to 2007. Briggs was known for his formidable punching power and aggression, possessing an 88.3% knockout-to-win percentage with 37 knockout wins in the first round.
Greg Page was an American professional boxer who competed from 1979 to 2001, and held the WBA heavyweight title from 1984 to 1985. He was also a regular sparring partner for Mike Tyson, famously knocking down the then-undefeated world champion during a 1990 session.
Larry Ali Donald is an American former professional boxer. As an amateur he won a bronze medal in the super heavyweight division at the 1991 World Championships and won a gold medal at the 1992 World Championship Challenge and becoming amateur world Super heavyweight champion going into the 1992 Olympic Games represented the United States at the 1992 Olympics. During his professional career, he defeated the likes of Evander Holyfield, Jeremy Williams, Bert Cooper, Tim Witherspoon, and Ross Puritty.
Michael John Nunn is an American former professional boxer who competed from 1984 to 2002. He is a two-weight world champion, having held the IBF middleweight title from 1988 to 1991, and the WBA super middleweight title from 1992 to 1994. During both those reigns, he also held the lineal championship. In 2004, Nunn was sentenced to 24 years in prison for drug trafficking; he was released in February 2019.
Mark Anthony Breland is an American boxing trainer. As an amateur, he was a Gold Medal winner at the 1984 Summer Olympics, with a 110-1 record as an amateur and is regarded among the greatest amateur fighters ever. He competed as a professional from 1984 to 1997, and held the WBA welterweight title twice between 1987 and 1990. He later became an actor with a wide range of movie and television credits, having made his debut in The Lords of Discipline, and also appeared in the music video for The Pointer Sisters' 1985 hit single, "Dare Me".
Jeremy Williams is an American former professional boxer and mixed martial artist. He challenged once for the WBO heavyweight title in 1996.
Fres Oquendo is a Puerto Rican professional heavyweight boxer. He had a successful amateur record before turning professional in 1997. He unsuccessfully challenged three times for world heavyweight titles.
Armand Carlos Netsing Takam is a Cameroonian French professional boxer. He has challenged once for the unified WBA (Super), IBF, and IBO heavyweight titles in 2017. As an amateur, he represented Cameroon at the 2004 Olympics.
Robert Brant is an American professional boxer who held the WBA (Regular) middleweight title from 2018 to 2019.
Andrés Ponce Ruiz Jr. is a Mexican-American professional boxer. He is a former unified world heavyweight champion, having held the World Boxing Association (WBA), International Boxing Federation (IBF), and World Boxing Organization (WBO) titles in 2019. He also held the International Boxing Organization (IBO) title during that reign.
Mike Tyson vs. Buster Douglas, billed as Tyson is Back!, was a professional boxing match that occurred at the Tokyo Dome on February 11, 1990. The then-undefeated, undisputed heavyweight champion Tyson lost by knockout to the 42-1 underdog Douglas. The fight is widely regarded as one of the biggest upsets in sports history.
Joseph Dennis Parker, OM is a New Zealand professional boxer. He has held the World Boxing Organization (WBO) interim heavyweight title since March 2024. Previously, he held the WBO heavyweight title from 2016 to 2018. At regional level, he has held multiple heavyweight championships, including the WBO Oriental, Africa, and Oceania titles; as well as the PABA, OPBF, and New Zealand titles. As an amateur, he represented New Zealand at the 2010 Commonwealth Games in the super-heavyweight division, and narrowly missed qualification for the 2012 Summer Olympics.
Anthony Oluwafemi Olaseni Joshua is a British professional boxer. He held the unified world heavyweight championship twice between 2016 and 2021. At regional level, he held the British and Commonwealth heavyweight titles from 2015 to 2016.
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.
Adam Kownacki is a Polish professional boxer.
Simon Kean 
Cassius Chaney 
Alen Babić 
Matchroom Sport Headquarters, Brentwood, England
Joseph Parker 
Sergiej Werwejko
Maxwell Amponsah 
Misael Sanchez