8. Mike Tyson
One of the most gifted yet controversial boxers of all the times, Mike Tyson is a highly divisive sportsperson. There are people who worship and others who loathe him. However, no one can deny his boxing prowess. He participated in 58 matches and won 50 with 44 Knockout wins. Mike Tyson was the youngest person to win IBF, WBC and WBAT heavyweight titles.