Heavyweights Muhammad Ali and George Foreman fight in Kinshasa, Zaire, for the WBA and WBC championship. Ali upsets Foreman and knocked him out in the eighth round.
Heavyweights Joe Frazier and George Foreman fight in Jamaica for the WBA and WBC championship. Foreman scores a technical knockout in the second round to dethrone Frazier and win the titles.