In beating Marcos Maidana to win his 46th professional fight, Floyd Mayweather Jr unified the WBA and WBC World Welterweight divisions and he remains on course to stay unbeaten in 50 boxing contests. Maidana proved a difficult opponent with his early aggression, which troubled Mayweather at times, but the majority verdict may have slightly flattered the Argentinian as the American was ultimately able to demonstrate the boxing skills for which he is renowned.