Muhammad Ali, the greatest boxer of all time, died Friday at age 74.
His boxing career was full of historic fights that provided sports fans of all ages with incredible excitement. Ali also took on the best competition, including Larry Holmes, Leon Spinks, Joe Frazier, Sonny Liston and more.
Check out the 10 greatest knockouts from his legendary career in the video below.
Thumbnail photo via Keith Williams/The Courier-Journal/USA TODAY NETWORK
