Did Marcos Maidana beat Floyd Mayweather?

With American judges and ref Floyd was gifted a victory not only once he but multiple times. He lost to Maidana and Castillo the same with other American fighters Ward lost to Kovalev, Haney lost to Loma, Tank lost to Pitbull. See how the American black fighters are having the previleges with American judges and ref. Most of them does not the confidence to fight in a foreign country.