The judges and referee were selected for the September 13th rematch between WBA/WBC welterweight champion Floyd Mayweather Jr (46-0, 26 KOs) and Marcos Maidana (35-4, 31 KOs) at the MGM Grand in Las Vegas, Nevadaby the Nevada State Athletic Commission.

Kenny Bayless was selected as the referee, and John McKay, Dave Moretti and Guido Cavalleri as the three judges.