Evander Holyfield(born October 19, 1962) is an American formerprofessional boxerwho competed between 1984 and 2011. He reigned as theundisputed championatcruiserweightin the late 1980s and atheavyweightin the early 1990s, and is the only boxer in history to win the undisputed championship in twoweight classesin the three belt era.Nicknamed "the Real Deal", Holyfield is the only four-time world heavyweight champion, having held the unifiedWBA,WBC, andIBFtitles from 1990 to 1992, the WBA and IBF titles again from 1993 to 1994, the WBA title a third time from 1996 to 1999; the IBF title a third time from 1997 to 1999 and the WBA title for a fourth time from 2000 to 2001.