Heavyweight champion Muhammad Ali retired for the third time.
Muhammad Ali won the bout through a technical knockout in the 11th round against Ron for the heavyweight boxing title.
In the Fight of the Century, Joe Frazier triumphs over Muhammad Ali.
Boxing Champion Muhammad Ali lost his boxing title after refusing to join the army.
Boxing champion Muhammad Ali relinquished his 'slave name' of Cassius Clay and joined Islam.
Muhammad Ali becomes world heavyweight champion.
