Leon Spinks vs. Muhammad Ali II Leon Spinks vs. Muhammad Ali II Leon Spinks vs. Muhammad Ali II, was a professional boxing match contested on September 15, 1978 in New Orleans for the WBA and Lineal Heavyweight Championships. The fight was estimated to have been watched by a record 2billion viewers worldwide, in some 80 nations. After his shock win over Ali to become Heavyweight champion, Leon Spinks was stripped of the WBC belt for not facing its number one ranked contender Ken Norton, instead he agreed to a rematch with Ali. Ali entered the rematch as a 2½ to 1 favorite. ABC televised the fight
Mike Tyson vs. Michael Spinks The next year Spinks won the lineal championship from Mustafa Wassaja and then took the WBC title from Dwight Braxton in 1983 to become the undisputed champion. In 1984, Spinks added the newly created IBF title. In September 1985, after having defended his titles a combined total of ten times, Spinks moved up to the heavyweight class to challenge reigning IBF, "Ring", and lineal champion Larry Holmes, who had been champion since 1978. Spinks defeated Holmes in a fifteen-round decision to become the first reigning light heavyweight champion to win the heavyweight championship. Spinks defeated Holmes again in a rematch