Muhammad Ali's incredible boxing career led to him being recognised as one of the greatest fighters of all time.

Yahoo Sports' Kevin Iole remembers when Muhammad Ali and Joe Frazier met in the ring for the undisputed world heavyweight championship on March 8, 1971 in the Fight of the Century at Madison ...

Muhammad Ali defined a generation of American sports with his athletic greatness ... The card shows Ali boxing Joe Frazier in 1971 during the first match of their thrilling trilogy.