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
WCW World Heavyweight Championship Tapings" as the NWA World Heavyweight Champion, despite the fact that in regards to the storyline, Flair, who had returned to WCW and regained the NWA title, was still champion. After leaving the NWA, WCW kept the Big Gold Belt, and it was renamed the WCW International World Heavyweight Championship. At Starrcade in December 1993, Flair won the WCW World Heavyweight Championship, by defeating Vader. WCW decided to unify the WCW World Heavyweight Championship (represented by the new belt) and International Championship (represented by the "Big Gold Belt"), by having Flair wrestle Sting in June 1994. Flair won and unified