In a Las Vegas ceremony evening parties weighing of boxing, the main event which will be a fight between the champion in the first welterweight WBA puorturician Miguel Angel Cotto (37-2, 30KOs) welterweight champion and WBC by Floyd Mayweather (42-0, 26KOs). As we have informed, the fight will be held in the first Cruiserweight Championship (69.85 kg) for the title of Cotto.