Floyd Mayweather Jr. is incapable of being considered to be the best boxer in the world.
Many sporting news and boxing websites ranked Mayweather as the best boxer in the world , pound for pound , twice in a span of ten years ; including The Ring , Sports Illustrated , ESPN , BoxRec , Fox Sports , and Yahoo! Sports .	ESPN	ESPN	pound for pound	pound for pound	BoxRec	BoxRec	Sports Illustrated	Sports Illustrated	Fox Sports	Fox Sports (United States)	Yahoo! Sports	Yahoo! Sports
