Floyd Mayweather back in training to face Berto

The undefeated pound for pound Champ, Floyd Money Mayweather is back training to fight Andre Berto in September 12 2015. Even though fans arent clamouring for this fight, Mayweather calls it a tune up for his May 2016 fight which will take him to 50 undefeated fights topping heavy weight great Rocky Marciano, what do you think... The Stars Weigh in.