DeMarcus Deon Corley is an American professional boxer. A veteran of the sport for more than two decades, he held the WBO junior welterweight title from 2001 to 2003, and has fought as a gatekeeper against many of boxing's biggest names.
Tony Craig Tucker is an American former professional boxer who competed from 1980 to 1998. He won the IBF heavyweight title in 1987, and was the shortest-reigning world heavyweight champion at just 64 days. In an interview with Barry Tompkins, he referred to himself as the "invisible champion," due to the press and general public largely neglecting him. He is best known for giving Mike Tyson in his prime a relatively close fight, in which he, in the words of Larry Merchant, "rocked Tyson" in the first round. However, Tyson went on to win a unanimous decision. As an amateur, he won the 1979 United States national championships, the 1979 World Cup, and a gold medal at the 1979 Pan American Games, all in the light heavyweight division.
Vassiliy Valeryevich Jirov, sometimes known as Vasily Zhirov, is a Kazakhstani former professional boxer who competed from 1997 to 2009, and held the IBF cruiserweight title from 1999 to 2003. As an amateur he won a gold medal at the 1996 Olympics, as well as consecutive bronzes at the 1993 and 1995 World Championships, all in the light heavyweight division.
Tim Witherspoon is an American former professional boxer who competed from 1979 to 2003. He was a two-time world heavyweight champion, having held the WBC title in 1984, and the WBA title in 1986. Witherspoon also worked as a regular sparring partner for Muhammad Ali.
Peter Manfredo Jr. is a former American professional boxer and former IBO middleweight champion. He has challenged twice for upper-level world titles, at middleweight and super middleweight, as well as having won the NABO, IBU and European Boxing Association (EBA) light middleweight titles.
Bertram Cooper, nicknamed Smokin' Bert Cooper, was an American professional boxer who competed between 1984 and 2012. He fought Evander Holyfield, George Foreman, Riddick Bowe, Michael Moorer, Chris Byrd, Ray Mercer, and Corrie Sanders, among others. Cooper challenged three times for a world title, and was known for being in several wild fights, including his world title bouts with Holyfield and Moorer.
Alfred Rudolph Cole, best known as Al Cole, is an American former professional boxer. He won the IBF cruiserweight title and was a major force in the division until moving up to heavyweight, where he had less success. In 2001, Cole portrayed boxer Ernie Terrell in the film Ali.
Orlin Levance Norris is an American former professional boxer who competed from 1986 to 2005. He held the WBA cruiserweight title from 1993 to 1995. As an amateur, he won the National Golden Gloves title. He is the brother of retired former champion Terry Norris.
Fres Oquendo is a Puerto Rican professional heavyweight boxer. He had a successful amateur record before turning professional in 1997. He has challenged three times for world heavyweight titles.
Elieser Ramos Castillo is a Cuban professional boxer in the heavyweight division.
Imamu Amiri Mayfield is an American professional boxer who competed from 1994 to 2008, and 2016 to 2017.
Troy Amos-Ross is a Guyanese-Canadian boxer. As an amateur, he competed in the light heavyweight division at the 1996 Summer Olympics in Atlanta and 2000 Summer Olympics in Sydney, Australia.
Matt Godfrey is a Wampanoag former professional boxer who competed from 2004 to 2012. He challenged for the WBO cruiserweight title in 2010.
Omar Sheika is an American former professional boxer and multiple time super middleweight world title challenger. He is of Palestinian descent.
Firat Arslan is a German professional boxer of Turkish descent who held the WBA cruiserweight title from 2007 to 2008. He also challenged twice for the WBO cruiserweight title in 2012 and 2014 and once for the IBF cruiserweight title in 2014
Shaun George is an American professional boxer. He is best known for sensationally upsetting former heavyweight champ Chris Byrd which all but ended Byrd's career. George is the nephew of former world title challenger and trainer Lennox Blackmoore. He studied paralegal studies at Northern Michigan University.
The fourth season of The Contender was recorded in Singapore, and premiered on Versus on December 3, 2008. The show was on its third network, with the first season being broadcast on NBC and second and third seasons being shown on ESPN.
Rico Hoye is an American professional boxer who current competes in the Cruiserweight division. He resides Phoenix, Arizona, and is a former number one ranked light heavyweight contender (IBF) and a former world title challenger in the light heavyweight division. Hoye was a Cruiserweight division contestant in the fourth season of the Contender, boxing three 5-round bouts and one 8-round bout on Versus, winning three.
Murat Georgievich Gassiev is a Russian-Armenian professional boxer from North Ossetia-Alania. He is a former unified cruiserweight world champion, having held the IBF title from 2016 to 2018, and the WBA (Unified) title in 2018. As of October 2021, he is ranked as the world's ninth-best active heavyweight by BoxRec.
Murat Gassiev 
Foxwoods Resort, Mashantucket, Connecticut 
Laudelino Barros 
Lateef Kayode 
Pawel Kolodziej 
Enad Licina 
MEN Arena, Manchester 
Troy Ross 
Singapore 
Jesus Valadez