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. Joe Frazier II Muhammad Ali vs. Joe Frazier II Super Fight II was a non-title boxing match between Muhammad Ali and Joe Frazier. The second of the three Ali–Frazier bouts, it took place at Madison Square Garden in New York City on January 28, 1974. Ali was a slight favorite to win, and did by a unanimous decision. Held in between their two title bouts, The Fight of the Century in 1971 and The Thrilla in Manila in 1975, this second fight was scheduled for twelve rounds. Promoted as "Super Fight II", it was considered by many fans and experts to be the