Floyd Mayweather Junior confirms he will fight Shane Mosley in Las Vegas on May 1 . and I commend him for not only agreeing to the fight against Mayweather , but also agreeing to participate in a testing process that can only help the integrity of the sport , '' Golden Boy chief executive Richard Schaefer said . Mayweather turns to Mosley after collapse of his fight with Manny Pacquiao . Fight will take place under blood testing procedures that Pacquiao refused to accept . Mosley agreed fight after unification bout with Andre Berto was cancelled last month .
Floyd Mayweather Junior confirms he will fight Shane Mosley in Las Vegas on May 1 . Mayweather turns to Mosley after collapse of his fight with Manny Pacquiao . Fight will take place under blood testing procedures that Pacquiao refused to accept . Mosley agreed fight after unification bout with Andre Berto was cancelled last month .