Stephen Collins is an Irish former professional boxer who competed from 1986 to 1997. Known as the Celtic Warrior, Collins is the most successful male Irish boxer in recent professional boxing history, having held the WBO middleweight and super-middleweight titles simultaneously and never losing a fight as champion.
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.
Sven Ottke is a German former professional boxer who competed from 1997 to 2004. He was a unified super-middleweight world champion, having held the IBF title from 1998 to 2004, and the WBA (Unified) title from 2003 to 2004. With 21 successful title defences, Ottke was the fourth European boxer to retire as an undefeated world champion, after Jack McAuliffe, Terry Marsh, and Michael Loewe; Joe Calzaghe later became the fifth. Ottke defended the title against 20 boxers, a record in the super-middleweight division shared with Joe Calzaghe. As an amateur, Ottke won a bronze medal in the middleweight division at the 1989 World Championships.
Simon Brown is a Jamaican former professional boxer. Known as "Mantequilla", a name given to him by his famous trainer Jose 'Pepe' Correa, Brown was two-weight world champion in the welterweight and light-middleweight divisions, and at one point considered one of the best pound-for-pound fighters in boxing.
Robin Reid is a British former professional boxer who competed from 1993 to 2012. He held the WBC super-middleweight title from 1996 to 1997, and the IBO super-middleweight title from 2004 to 2005. As an amateur, Reid represented Great Britain at 1992 Summer Olympics, winning a bronze medal in the light-middleweight division.
David Starie is a British former professional boxer who competed from 1994 to 2003. He challenged twice for world championships; the WBO super middleweight title in 2000 and the unified WBA (Super) and IBF super middleweight titles in 2003. At regional level, he held the British super middleweight title twice; first in 1997 and again from 1998 to 2001, and also held the Commonwealth super middleweight title from 1998 to 2002.
Byron Deangelo-Tarone Mitchell is an American former professional boxer who fought from 1996 to 2012. He was the Lineal and two-time WBA super middleweight champion, winning the titles in 1999 and 2001.
Thulani Malinga is a South African former professional boxer who competed from 1981 to 2000, and held the WBC super-middleweight title twice between 1996 and 1998.
Graciano Rocchigiani was a German professional boxer who competed from 1983 to 2003. He held world championships in two weight classes, including the IBF super-middleweight title from 1988 to 1989, and the WBC light-heavyweight title in 1998. At regional level he held the European light-heavyweight title from 1991 to 1992. He was the younger brother of former cruiserweight world champion of boxing, Ralf Rocchigiani.
Bronco Banyon McKart is an American former professional boxer who competed from 1992 to 2014 and held the WBO light middleweight title in 1996. McKart is best known for his trilogy of fights against Winky Wright.
Armand Krajnc is a former Swedish professional boxer who competed from 1996 to 2004. He held the WBO middleweight title from 1999 to 2002, and challenged once for the unified WBA (Super) and IBF super-middleweight titles in his final fight in 2004.
Lindell Holmes is a retired American boxer who in 1990-91 held the IBF super-middleweight title.
Antwun Echols was an American boxer who was a world middleweight contender throughout the late 1990s and early 2000s. His hometown was Davenport, Iowa.
Mads Larsen is a former professional boxer who competed from 1993 to 2012. He held the IBO super middleweight title from 1997 to 1999. He challenged once for the unified WBA (Super) and IBF super middleweight titles in 2003. At regional level, he held the EBU European super middleweight title in 2003.
Rudy Markussen, is a former Danish professional boxer who competed from 1997 to 2015. He challenged once for the IBF super middleweight title in 2002, and once for the interim WBA super middleweight title in 2012. At regional level, he held the WBO Inter-Continental super middleweight title from 2003 to 2004 and the EBU European super middleweight title in 2004.
Giovanni De Carolis is an Italian professional boxer who held the WBA super-middleweight title in 2016.
Mger Mkrtchyan is an Armenian former professional boxer. He held the EBU Super Middleweight and the WBO Asia Pacific super middleweight titles. He contended for the 2004 WBO World Super middleweight title but lost to Joe Calzaghe in a 7th-round technical knockout.
Branko Šobot is a Croatian former professional boxer, who held the IBF Inter-Continental middleweight and super middleweight titles and challenged for the WBO World Super middleweight title, losing against Joe Calzaghe by 3rd-round TKO.
Rick Thornberry is an Australian former professional boxer who competed from 1985 to 2002. He held the IBO super middleweight title in 1995 and challenged twice for major world championships; the WBO super middleweight title in 1999 and the IBF super middleweight title in 2002.
Elin Cederroos is a Swedish former professional boxer. She was a unified super-middleweight champion, having held the IBF female title from 2019 until April 2022 and the WBA female title from January 2020 until April 2022.