History Photographed on Instagram: "Muhammad Ali's first professional defeat was against Joe Frazier in their first fight, known as the "Fight of the Century," with Frazier winning by a 15-round unanimous decision. ⁠ ⁠ This fight occurred on March 8, 1971, at Madison Square Garden in New York City.⁠ ⁠ The match marked the first time two undefeated boxers fought each other for the world heavyweight title, with Ali's record standing at 31-0 (25 KOs) before the fight, while Frazier's was 26-0 (23 K