Buster Douglas

James "Buster" Douglas is an American former professional boxer who competed between 1981 and 1999. He reigned as undisputed world heavyweight champion in 1990 after knocking out Mike Tyson. He also defeated other heavyweight world champions Oliver McCall, Trevor Berbick, and Greg Page. Douglas was a 42 to 1 underdog going into his 1990 fight against Tyson. Defying expectations, Douglas would knock out Tyson in the 10th round to claim the WBC, WBA, and IBF titles.