Leon Spinks Leon Spinks Leon Spinks (born July 11, 1953) is an American former professional boxer who competed from 1977 to 1995. In only his eighth professional fight, he won the undisputed heavyweight championship in 1978 after defeating Muhammad Ali in a split decision, in what was considered one of the biggest upsets in boxing history. Spinks was later stripped of the WBC title for facing Ali in an unapproved rematch seven months later, which he lost by unanimous decision. Besides being heavyweight champion and his characteristic gap-toothed grin (due to losing two and later all four of his front teeth), Spinks
Leon Spinks to Norton. His second match with Ali, at the Louisiana Superdome on September 15, 1978, went badly for Spinks. A now-in-shape Ali—with better, sharper tactics—rarely lost control, winning back his title by a unanimous fifteen-round decision. Ali regained the title, becoming the first three-time lineal heavyweight champion. Spinks was never given a rematch; Ali retired after the fight (although he came out of retirement a few years later to fight Larry Holmes and Trevor Berbick). Spinks's next fight, his only one in 1979, was at Monte Carlo, where he was knocked out in the first round by future WBA world