From 1965: Floyd Patterson vs. George Chuvalo in a heavyweight bout in New York. Patterson won a 12-round decision.
From 1970: Joe Frazier vs. Jimmy Ellis in New York for the world heavyweight title. Frazier won the belt with a fifth-round TKO.
From 1971: George Foreman vs. Luis Faustino Pires in a heavyweight bout in New York City. Foreman won the fight on a fourth-round TKO.
From 1966: Muhammad Ali vs. George Chuvalo in a world heavyweight title bout in Toronto. Ali retained his title with a 15-round decision.
From 1972: Roberto Duran vs. Ken Buchanan for the world lightweight title. Duran won on a 13th-round TKO to claim his first world title.
Download the TV Guide app for iPhone, iPad and Android!