Leon Spinks the distinction until the Klitschko brothers became champions two decades later. In the 1980s Leon Spinks competed in several boxer vs. wrestler matches in New Japan Pro-Wrestling (NJPW), including losing by submission to Antonio Inoki. In 1986 Spinks earned his last championship opportunity, fighting Dwight Muhammad Qawi for the WBA cruiserweight championship. Qawi had been defeated by Michael Spinks three years earlier for his WBC light heavyweight championship. However, Leon Spinks lost by TKO in the sixth round. During the fight, Qawi taunted Spinks as he beat him mercilessly in a corner. Spinks boxed for another eight years with mixed
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