Mike Tyson vs. Michael Spinks fight in boxing history, grossing some $70 million, of which Tyson earned a record purse of around $20 million and Spinks $13.5 million. Tyson won the fight, knocking out Spinks in 91 seconds. Michael Spinks became a professional boxer shortly after he won the gold medal at middleweight in the 1976 Summer Olympics. Initially, Spinks was more concerned with assisting his brother Leon's rise to the heavyweight championship, but was later convinced to turn pro himself. In 1981 Spinks fought Eddie Mustafa Muhammad for the WBA light heavyweight championship and defeated him by decision to win his first world title.
Leon Spinks Rico and knocked him out in round one. He then fought Scott LeDoux to a draw and defeated Italian champion Alfio Righetti by a decision. Now a lower-ranked contender, he made history on February 15, 1978, by beating Muhammad Ali on a 15-round split decision in Las Vegas, Nevada. Spinks won the world heavyweight title in his eighth professional fight, the shortest time in history. The aging Ali had expected an easy fight, but he was out-boxed by Spinks, who did not tire throughout the bout. It was one of the few occasions when Ali left the ring with a