NFL and Floyd Mayweather clash in Las Vegas on May 2 . The $ 300million fight is being billed as the biggest in the history of boxing . Training legend Nacho Beristain says Pacquaio 'has a 45 per cent chance ' Manny Pacquiao quarterback visited the Filipino in his Los Angeles gym on Saturday . READ : Mayweather continues to whet the appetite of the boxing world with pump-up video . CLICK HERE for all the latest Pacquiao vs Mayweather news .
Manny Pacquiao and Floyd Mayweather clash in Las Vegas on May 2 . The $ 300million fight is being billed as the biggest in the history of boxing . Training legend Nacho Beristain says Pacquaio 'has a 45 per cent chance ' NFL quarterback visited the Filipino in his Los Angeles gym on Saturday . READ : Mayweather continues to whet the appetite of the boxing world with pump-up video . CLICK HERE for all the latest Pacquiao vs Mayweather news .