From 1987 to 1990, he was the undisputed world heavyweight champion , holding the WBA, WBC, and IBF titles simultaneously—the first heavyweight to do so.
A signature move involving a right hook to the body followed immediately by a right uppercut to the chin . Most Notable Heavyweight Matches Mike Tyson Heavyweight Boxing
Trained by legendary mentor Cus D'Amato , Tyson utilized a unique defensive system designed to overcome his height disadvantage. From 1987 to 1990, he was the undisputed