Leon Spinksis an American former boxer who was the undisputed heavyweight champion of the world. Spinks had an overall record of 26 wins, 17 losses and three draws as a professional, with 14 of those wins by knockout. In only his eighth professional bout, Spinks won the undisputed world heavyweight championship when he beat Muhammad Ali on February 15, 1978, in what was considered one of the biggest upsets in boxing history. However, he was stripped of the WBC title...
(wikipedia)