David Deron Haye (born 13 October 1980 in Lambeth, London) is an English professional boxer, and current WBA World Heavyweight Champion. Before joining the Heavyweight division, Haye was the undisputed and lineal cruiserweight champion, holding the WBA, WBC, WBO and The Ring magazine cruiserweight titles after notable victories over Jean-Marc Mormeck and Enzo Maccarinelli. Haye's only professional loss to date was against Carl Thompson in 2004.Haye won the WBA Heavyweight title with a majority decision over Nikolai Valuev in November 2009, before defending the title against John Ruiz and Audley Harrison in 2010. read more on wikipedia.
