Floyd Mayweather is a retired American professional boxer who competed from 1996 to 2015, with a brief return in 2017. Known for his exceptional defensive skills and undefeated record of 50-0, he won world titles in five weight classes. Mayweather is also a successful boxing promoter, founding Mayweather Promotions, and has been involved in high-profile bouts that generated record-breaking pay-per-view revenues.