Mayweather Jr. Prepares For Alvarez

Head trainer Eddie Mustafa Muhammad watches as IBF 154-pound champion Ishe Smith during a workout at the Mayweather Boxing Club Wednesday, August 28, 2013. Smith will defend his title against Carlos Molina of Mexico at the MGM Grand Garden Arena on September 14.

Head trainer Eddie Mustafa Muhammad watches as IBF 154-pound champion Ishe Smith during a workout at the Mayweather Boxing Club Wednesday, August 28, 2013. Smith will defend his title against Carlos Molina of Mexico at the MGM Grand Garden Arena on September 14. by Steve Marcus