Muhammad Ali, perhaps the most celebrated boxer in history as well as a cultural force outside the ring, turns 74 today. Born Cassius Clay in Louisville, Kentucky, Ali developed a passion for boxing at an early age, went on to become an Olympic gold medalist in 1960, and then the world heavyweight boxing champion in 1964.

Known for his bold public persona both on and off the canvas, Ali called himself “The Greatest.” Watch this astounding Muhammad Ali knockouts video, compiling the ten best knockouts of his career, and see for yourself.

To see the most stunning images of Muhammad Ali and many others, check out these 20 of the most famous sports photos of all time.

Gabrielle Kwarteng
Gabrielle Kwarteng
A born and bred New Yorker, Gabrielle Kwarteng is the Social Media Manager for PBH Network. She loves to take street portraits with her Nikon FA and DJ for anyone who'll listen.
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