It was the “Fight of the Century” on March 8, 1971. U.S. heavyweight boxing champion Joe Frazier knocks down “The Greatest” Muhammad Ali at Madison Square Garden in New York City. Frazier won the grueling 15-round bout to defend his title while Ali lost for the first time in his professional career. Both boxers landed in the hospital after the famous match and were guaranteed a record-setting $2.5 million each. (Photo from AFP/Getty Images)
Joe Frazier made his pro boxing debut 47 years ago on August 16, 1965. He went on to go 11-0 in his first year, with all of his victories by knockout.