Evander Holyfield

 Evander Holyfield, born October 19th, 1962, is an American professional boxer who fought from 1984 to 2011. He was the undisputed champion at cruiserweight in the latter half of the 1980s, and at heavyweight during the early 1990s, and remains the only boxer in history who has won the title uncontested in two weight classes in the time of the three belts. Holyfield is often referred to as "The Real Deal" is the sole world heavyweight champion. He was the holder of the WBA, WBC and IBF unification titles from 1990 until 1992. The WBA title was again held from 1993 to 1994. Holyfield was an amateur and was awarded a bronze medal at the Olympics in 1984. He made the switch to professional boxing at the age of 21, moving up to cruiserweight in 1985. He won his first world championship in the year following, beating Dwight Muhammad Qawi for the WBA title.