Leon Spinks 1990, Leon's other son, Leon Calvin, was shot to death in East St. Louis as he was driving home from his girlfriend's house. Calvin was an aspiring light heavyweight pro boxer with a record of 2-0, with the two pro bouts occurring only a month before he died. Leon's grandson and Calvin's son, Leon Spinks III, is an aspiring light heavyweight southpaw boxer with a pro record of 11-3-1 with seven knockouts, his last outing being a six round draw with Robbie Cannon in October 2017. Leon has slurred his words since his active boxing days, and was diagnosed in
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