In what is often called boxing's biggest upset ever, Buster Douglas beat whom in the world unified Heavyweight title fight in 1990 ?
The ans is - Mike Tyson
On 13 November 2010, who became the first boxer to win world titles in eight different weight divisions and the first boxer to win the lineal championship in four different weight classes?
Who boxed briefly and unsuccessfully under the name Packy East, once making it to the semifinals of the Ohio novice championship?
