Floyd Mayweather returns to the ring Sept. 12 … fights Andre Berto

Floyd Mayweather will return to the ring on September 12.

He comes up against Adre Berto, who gets to be the man to stop him from achieving Rocky Marciano’s record of 49 victories.

The former welterweight champion Berto has some 30 wins and three losses before going into this fight.

“Promise you this I’m gonna be as ready as I’ve ever been. Don’t act surprised on 9/12,” he’s said.