Jean-Marc Mormeck

In October 2011, Mormeck was signed to fight unified Heavyweight Champion Wladimir Klitschko on 10 December 2011 at Esprit Arena, Düsseldorf, Germany until Klitschko pulled out after having a kidney stone removed on 2 December 2011. The fight was postponed to 3 March 2012. In this fight, Mormeck attempted to be only the third cruiserweight champion to win a world title at Heavyweight, after Evander Holyfield and David Haye. However, he was defeated by the 4th - round KO.

On 17 December 2009, Mormeck made his return to the ring after a two-year layoff, fighting for the first time as a heavyweight, against Vinny Maddalone. He outpointed the veteran heavyweight over 8 rounds.

In their rematch, Mormeck regained the WBA and WBC titles back from Bell (Bell lost the IBF title over a dispute from the organization) by unanimous decision on 17 March 2007.

In the first defense of his second title reign, Mormeck lost his WBA, WBC and lineal cruiserweight titles as he was bested by mandatory challenger and knockout specialist David Haye on 10 November 2007. Mormeck was dropped heavily in the 7th round after being hit by a strong right from Haye. Although Mormeck rose up just in time, the referee realized that he was dazed and in no condition to go on, which caused the contest to be stopped and Haye winning the fight by knockout.

However, Mormeck lost his WBA and WBC cruiserweight titles to O'Neil Bell after being knocked out in the 10th round. This bout, on 7 January 2006, was for the undisputed (WBA/WBC/IBF) cruiserweight championship.

Later, Mormeck captured the WBA cruiserweight title by a 9th-round technical knockout win over Virgil Hill on 23 February 2002. Following three defenses with wins over Dale Brown, Alexander Gurov and Virgil Hill again, he added the WBC cruiserweight crown to his collection on 2 April 2005, by way of unanimous decision over Wayne Braithwaite.

He fought as an amateur in 1990 and turned professional in 1995. Early in his career, Mormeck lost 2 minor four-round bouts on points but kept winning for years afterwards. On 10 November 1998, Mormeck won the French light heavyweight title with a unanimous decision win over Alain Simon. He defended that title three times before relinquishing it.

Jean-Marc Gilbert Mormeck (born 3 June 1972) is a French former professional boxer who competed from 1995 to 2014. He is a two-time unified world cruiserweight champion, having held the WBA, WBC and The Ring world titles twice between 2005 and 2007. He was the first boxer to hold unified cruiserweight title since Evander Holyfield in 1988, and the first fighter to hold The Ring cruiserweight title since Carlos De León in 1987. Mormeck also challenged for the unified world heavyweight title in 2012. As of April 2020, BoxRec rates him the third greatest cruiserweight of all time.

Mormeck fought Uzbek heavyweight and WBA#7 Timur Ibragimov (30-3-1, 16 KO) on 2 December 2010, at Halle Carpentier, Paris. Mormeck started slowly but dominated the middle rounds to win a split decision (116-112, 116-111, 113-115).