Watch: Floyd Mayweather talks Berto, 49-0, Pacquiao with Jim Gray

In the interview taped during Mayweather’s Media Day this past Wednesday at Mayweather Boxing Club in Las Vegas, Mayweather discusses his choice for Andre Berto as his upcoming Sept. 12 opponent on SHOWTIME PPV®, what improving to 49-0 would mean to him, his last fight against Manny Pacquiao and the overall impact he’s had not only on boxing but also in sports.