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
Michael Spinks and narrow fifteen-round unanimous decision and becoming the first ever world light-heavyweight champion to win the world heavyweight title. His controversial victory over Holmes was named "Ring Magazine" Upset of the Year. With this, Michael and Leon had also become the first pair of brothers ever to be world heavyweight champions, followed two decades later by Wladimir and Vitali Klitschko. In 1986, Spinks and Holmes fought a rematch as part of the heavyweight unification series, and had nearly the same result, this time Spinks winning by a 15-round split decision. After that, he retained the world heavyweight championship once again,