Why Famous: Rated as one of the best pound for pound fighters of all time, Mayweather was undefeated as a professional boxer.
A five-division world champion, Mayweather won 12 world titles and the championship in four different weight classes.
His boxing record stands at 49–0 (26 knockouts).
- 2013-05-04 Floyd Mayweather defeats Robert Guerrero to retain his WBC Welterweight title
- 2015-05-02 Fight of the Century: Floyd Mayweather, Jr. beats Manny Pacquiao in 12 for the welterweight boxing title
- 2015-07-06 Floyd Mayweather Jr. is stripped of his WBO welterweight boxing title after failing to pay his $200,000 & vacate his light middleweight title
- 2017-08-27 Former five-weight world boxing champion Floyd Mayweather Jr. defeats MMA fighter Conor McGregor in his debut match in the 10th round in Las Vegas