Floyd Mayweather took those tests last year .
When Floyd Mayweather got blasted by Mosley in round 2 , we know it was n't any PED 's that kept Floyd Mayweather from getting knocked out .
Floyd Mayweather took those tests last year , so when he got blasted by Mosley in round 2 , we know it was n't any PED 's that kept him from getting knocked out .