FIGHT WITH MOSLEY FINALIZED AS BOXING SUPERSTARS AGREE TO MEET IN ELECTRIFYING WELTERWEIGHT MEGA-FIGHT ON SATURDAY, MAY 1 AT MGM GRAND IN LAS VEGAS LIVE ON HBO PAY-PER-VIEW FIGHTERS AGREE TO PARTICIPATE IN OLYMPIC-STYLE DRUG TESTING LAS VEGAS (February 3, 2010) – It’s official.  Boxing’s biggest superstar and six-time world champion Floyd “Money” Mayweather made…