Mayweather vs. Berto video: Watch All Access full episode 1 here

Check out the full video of All Access: Mayweather vs. Berto Episode 1 right here.

This Saturday night, Floyd Mayweather steps in to the ring for his 49th, and maybe final, professional boxing fight. His opponent will be Andre Berto, a former Welterweight champion hoping to shock the world and pull off the biggest boxing upset in well over a decade. Mayweather vs. Berto will be live on Showtime Boxing PPV this Saturday, September 12, and we'll have full coverage here at Bloody Elbow.

To get yourself ready for Mayweather vs. Berto, check out the always excellent Showtime All Access series. Here, we have the full video of All Access: Maweather vs. Berto Episode 1. Watch below, or click here if…