Muhammad Ali 21 during an elimination bout following Rocky Marciano's retirement. Mike Tyson broke both records in 1986 when he defeated Trevor Berbick to win the heavyweight title at age 20. Soon after the Liston fight, Clay changed his name to Cassius X, and then later to Muhammad Ali upon converting to Islam and affiliating with the Nation of Islam. Ali then faced a rematch with Liston scheduled for May 1965 in Lewiston, Maine. It had been scheduled for Boston the previous November, but was postponed for six months due to Ali's emergency surgery for a hernia three days before. The fight
Muhammad Ali vs. Floyd Patterson Muhammad Ali vs. Floyd Patterson Muhammad Ali vs. Floyd Patterson refers to two North American Boxing Federation heavyweight professional boxing matches between the champion Muhammad Ali and former champion Floyd Patterson. The first match took place on November 22, 1965; and the second on September 20, 1972. Ali won both fights through technical knockouts. The first fight was stopped in the 12th round; and the second after the 7th round. Patterson had previously lost his heavyweight title to Sonny Liston in a 1st round knockout. In a later rematch, Patterson lost again in the 1st round. Liston later lost the