Michael Spinks vs. Dwight Muhammad Qawi set for September 27 of 1984, but it was cancelled after Qawi was injured during training, three weeks before the fight. Spinks went on to become the first world light heavyweight champion in boxing history to go up in weight and win the world heavyweight title. Qawi, for his part, went up to the cruiserweight division, where he reigned as WBA world champion from 1985 to 1986. Both fighters are now members of the International Boxing Hall of Fame. Confirmed bouts: Michael Spinks vs. Dwight Muhammad Qawi Michael Spinks vs. Dwight Muhammad Qawi, billed as "The Brawl for it All",
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