Shane Mosley confirms he will fight Fight in Las Vegas on May 1 . Shane Mosley turns to Mosley after collapse of his clash with Manny Pacquiao . Mayweather will take place under blood testing procedures that Pacquiao refused to accept . Mosley agreed fight after unification bout with Andre Berto was scrapped May 1 .
Floyd Mayweather Junior confirms he will fight Shane Mosley in Las Vegas on May 1 . Mayweather turns to Mosley after collapse of his clash 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 scrapped last month .