Floyd Mayweather Jr. is one of the greatest boxers of all time, having never lost a professional fight in his illustrious career. He is a five-division world champion, having won fifteen major world titles and the lineal championship in four different weight classes.
Floyd Joy Mayweather Jr. is an American professional boxer and boxing promoter. He is undefeated at 50–0. Mayweather won 15 major world championships spanning five weight classes from super featherweight to light middleweight. This includes the Ring magazine title in three weight classes. As an amateur, he won a bronze medal in the featherweight division at the 1996 Olympics, three U.S. Golden Gloves championships, and the U.S. national championship at featherweight. After retiring from professional boxing in August 2017, he transitioned to exhibition boxing.