Mike Tyson vs. Buster Douglas, billed as Tyson is Back!, was a professional boxing match that occurred at the Tokyo Dome on February 11, 1990. The then-undefeated, undisputed heavyweight champion Tyson lost by knockout to the 42:1 underdog Douglas. The fight is widely regarded as the biggest upset in boxing history.
Michael Gerard Tyson (born June 30, 1966) is an American former professional boxer, competing from 1985 to 2005. He r...