
Floyd Mayweather Jr. has started training for what is likely his last bout.
On Monday, Mayweather, 48-0, published a montage of videos on social media announcing which he was preparing for the fight upon Sept. 12.
An opponent has yet to become named, but which hasn't stopped speculation.
Mayweather’s very last fight against Manny Pacquiao had been one of the most anticipated boxing matches within the history of the sport and broken pay-per-view...