Top 15 KOs in boxing history

5. Marvelous Marvin Hagler KO3 Thomas Hearns, April 15, 1985 – Regarded by many as the best short fight in boxing history, Hagler was too powerful for Hearns and proved it in this all-out slugfest. Hagler was cut in the third and knew he'd have to do something dramatic. Hagler landed a right hook to the head that staggered Hearns. Hagler literally ran across the ring after Hearns and cracked Hearns with a right. Hearns fell face first as Hagler celebrated a hard-fought win. (Photo credit: Getty)

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On the heels of one of the most devastating knockouts in boxing history, Yahoo! Sports analyst Kevin Iole gives his top 15 KOs of all-time. Where does Juan Manuel Marquez's knockout of Manny Pacquiao rank in history?

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