Floyd Mayweather and Manny Pacquiao went head-to-head in States . Pair meet in their first and only press conference ahead of May 2 fight . Pacquiao arrived first along with trainer Freddie Roach and Bob Arum . Mayweather accompanied by entourage - including Justin Bieber . READ : Mayweather and Pacquiao get the red carpet treatment .
Floyd Mayweather and Manny Pacquiao went head-to-head in Los Angeles . Pair meet in their first and only press conference ahead of May 2 fight . Pacquiao arrived first along with trainer Freddie Roach and Bob Arum . Mayweather accompanied by entourage - including Justin Bieber . READ : Mayweather and Pacquiao get the red carpet treatment .