Floyd Mayweather, (47-0, 26 KOs), retained his WBC and WBA welterweight titles, along with his WBC super welterweight title, with an unimpressively dominant decision over Marcos Maidana, (35-5, 31 KOs), that had the 16,144 fans in attendance at the MGM Grand Garden Arena in Las Vegas booing through most of the final round. Scores were 115-112, 116-111, 116-111.