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
Quintuple champion Quintuple champion In different sports an athlete who wins five crowns, titles, medals, belts, or other distinctions is called a Quintuple Champion. In boxing, a quintuple champion is a boxer who has won world titles in at least five different weight classes. The first man in boxing to earn this distinction was Thomas Hearns on November 4, 1988. Hearns won first the Welterweight (147 lbs) title, later annexed the Super Welterweight (154 lbs) belt. Rather than win the next closest division in weight, the Middleweight (160 lbs), he moved up to three divisions to earn the Light Heavyweight (175 lbs)