Floyd Mayweather Jr. has won something.
Floyd Mayweather Jr. . Widely considered to be one of the greatest boxers of all time , undefeated as a professional , and a five-division world champion , Mayweather won fifteen world titles and the lineal championship in four different weight classes ( twice at welterweight ) . Mayweather is a two-time winner of The Ring magazine 's Fighter of the Year award ( 1998 and 2007 ) , a three-time winner of the Boxing Writers Association of America ( BWAA ) Fighter of the Year award ( 2007 , 2013 , and 2015 ) , and a six-time winner of the Best Fighter ESPY Award ( 2007 -- 2010 , 2012 -- 2014 ) . He finished his career with a record of 26 wins without a loss or draw in world title fights ( 10 by KO ) ; 23 wins ( 9 KOs ) in lineal title fights ; 24 wins ( 7 KOs ) against former or current world titlists ; 12 wins ( 3 KOs ) against former or current lineal champions ; and 2 wins ( 1 KO ) against International Boxing Hall of Fame inductees .