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
WWA World Heavyweight Championship 2001. There, the title was contested in a tournament won by Jeff Jarrett. The title was contested in the WWA as its primary title until May 25, 2003, where the title was unified with the National Wrestling Alliance World Heavyweight Championship in Auckland, New Zealand by Jeff Jarrett, the NWA World Heavyweight Champion, who defeated Sting, the WWA World Heavyweight Champion. WWA World Heavyweight Championship The World Wrestling All-Stars (WWA) World Heavyweight Championship was a professional wrestling world heavyweight championship in World Wrestling All-Stars. It was the primary championship in the WWA. The title was sanctioned by WWA as their