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Buster Douglas knocks out Mike Tyson.

Buster Douglas KO10 Mike Tyson, Feb. 10, 1990 – Tyson was a 42-1 favorite to defend his IBF/WBA/WBC heavyweight titles, but he was in trouble right from the start. He had a powerful jab that he kept popping in Tyson's face. Tyson dropped Douglas in the eighth, nearly saving his title, but Douglas came back strong. He hit Tyson with an uppercut and then a series of shots, that dropped Tyson. Tyson was unable to get up and suffered his first, and most stunning, defeat.