Floyd Mayweather Jr. is an American professional boxer. He is a five-division world champion, where he has won ten world titles, including the lineal championship in three different weight classes. He is a two-time The Ring "Fighter of the Year" winning the award in 1998 and 2007, and also Boxing Writers Association of America (BWAA) "Fighter of the Year" in 2007. He is undefeated as a professional boxer, and currently ranks as the greatest welterweights of all time.