Mayweather weighing 147 already for Guerrero bout

By Chris Williams: With a week and a half to go before his May 4th fight against WBC interim welterweight champion Robert "The Ghost" Guerrero (31-1-1, 18 KO's), Floyd Mayweather Jr. (43-0, 26 KO's) is already at 147 lbs for the fight and has been for the past two days, according to Dan Rafael. This