For a guy who made a career of improbable wins, none exceeded the Rumble in the Jungle.

A decade after toppling Liston, a 32-year-old version of Ali met the next big thing—a 25-year-old George Foreman, who was 37-0 with 34 knockouts and two-round stoppages of both Frazier and Ken Norton, the only two men who'd beaten the challenger.