Date: 2015-09-12 Where: MGM Grand, Las Vegas, Nevada, USA Division: welterweight (147 lbs, 66.7 kg) Title: WBC and WBA Super World welterweighttitles Floyd Mayweather Jr 48-0-0 (26KO) vs Andre Berto 30-3-0 (23KO) Result: Floyd Mayweather J…