Mike Tyson

Michael Gerard "Mike" Tyson born (June 30, 1966), is an American former professional boxer from Brooklyn, New York. He holds the record as the youngest boxer to win the WBC, WBA and IBF heavyweight titles at 20 years, 4 months and 22 days old. Tyson also won his first 19 professional bouts by knockout, 12 of them was in the first round.