Professional boxing knocked him out in brutal fashion. This fight made Hagler famous; he was able to lure Ray Leonard out of retirement in 1987, but lost in a highly-controversial decision. Hagler retired from boxing immediately after that fight. In the latter half of the decade young heavyweight Mike Tyson emerged as a serious contender. Nicknamed "Iron Mike", Tyson won the heavyweight unification series to become world heavyweight champion at the age of 20 and the first undisputed champion in a decade. Tyson soon became the most widely known boxer since Ali due to an aura of unrestrained ferocity, such as that
World White Heavyweight Championship belt declaring him the “White Heavyweight Champion of the World” after he scored a first round T.K.O. over Pat Cominsky in a bout at Roosevelt Stadium in Jersey City, New Jersey on 26 September 1940, but it was a publicity stunt. The fight was not promoted as being for the white heavyweight championship, and Cominsky would not have won the belt had he beaten Baer. The belt was a publicity stunt dreamed up by boxing promoters who were trying to pressure promoter Mike Jacobs into giving the ex-world heavyweight champion a rematch with current champ Joe Louis. (Louis had K.O.ed