Knockouts: The Greatest Boxing Movies of All Time

Muhammad Ali is a heavyweight champ and cultural icon, who brought drama and theater to the boxing ring. We commemorate the great athlete's 71st birthday by recapping the best of boxing in the movies, starting with this 1996 documentary. The film chronicles Ali's infamous 1974 "Rumble in the Jungle" fight against George Foreman, and features commentary by Norman Mailer, Spike Lee and others. For a glimpse of the charismatic Ali at his greatest, look no further.

(Photo: Das Film, Polygram Filmed Entertainment)