(b.1966), American boxer; full name Michael Gerald Tyson. He became undisputed world heavyweight champion in 1987, winning the WBA, WBC, and IBF titles. He was imprisoned in 1992 for rape; after his release in 1995 he reclaimed the WBC and WBA titles in the following year.
Tyson, Mike in other Oxford dictionaries
Definition of Tyson, Mike in the US English dictionary