us anti doping agency
![](https://a.espncdn.com/media/motion/2015/0910/dm_150910_FLOYD_HEADLINE1002/dm_150910_FLOYD_HEADLINE1002.jpg?w=660&r=16%3A9)
Floyd Mayweather, USADA deny rules violations prior to Pacquaio fight
Floyd Mayweather strongly denied any wrongdoing related to his receiving an IV mix of saline and vitamins -- banned under WADA guidelines -- before his fight against Manny Pacquiao.