Floyd Patterson (January 4, 1935 – May 11, 2006) was an American professional boxer and former Undisputed Heavyweight Champion. At 21, Patterson became the youngest man to win the world heavyweight title. He was also the first heavyweight boxer to regain the title. He had a record of 55 wins, 8 losses and 1 draw, with 40 wins by knockout. He won the gold medal at the 1952 Olympic Games as a middleweight.
Although Mike Tyson later became the youngest boxer to win a world heavyweight title, Patterson remains the youngest Undisputed Heavyweight Champion.