Los Angeles,Calif. ---   Superstar Manny Pacquiao trains with Hall of Fame trainer Freddie Roach  and strength coach Justin Fortune  for his upcoming 12-round welterweight world championship unification mega-fight against Floyd Mayweather. Promoted by Mayweather Promotions and Top Rank Inc. , this pay-per-view telecast will be co-produced and co-distributed by HBO Pay-Per-View® and SHOWTIME PPV® Saturday, May 2 beginning at 9:00 p.m. ET/ 6:00 p.m. PT from the MGM Grand Garden Arena in Las Vegas. ---   Photos by Chris Farina/Top Rank.