Evander Holyfield

 Evander Holyfield, born October 19th, 1962, was an American professional boxer who fought from 1984 to 2011. He was the undisputed champion at cruiserweight in the late 1980s and at heavyweight in the beginning of 1990s. He is the only boxer in history to have won the title of undisputed champion in two weight classes during the time of the three belts. Holyfield, also known as "the Real Deal" is the only world heavyweight champion. He was the holder of the WBA, WBC and IBF titles from 1990-1992, and then again in 1993-1994. Holyfield was an amateur and won a bronze medal at the 1984 Summer Olympics for the USA. When he was 21 years old Holyfield began professional fighting and was promoted into the cruiserweight division in 1985. He defeated Dwight Muhammad Qawi to win the WBA title.