Bet365.com has posted odds on the proposed Floyd Mayweather vs. Andre Berto fight that may be taking place on September 12. Mayweather is listed as an 80:1 favorite (-8000). If you bet on Berto, you will get +1600. Floyd is looking to equal Rocky Marciano's record of 49-0. Berto (30-3, 23 KOs) is the current WBA “interim” welterweight champion.
