Mayweather and Alvarez Final News Conference

Undefeated boxers Floyd Mayweather Jr., left, and Canelo Alvarez of Mexico pose with a WBC super welterweight belt during a news conference at the MGM Grand Wednesday, Sept. 11, 2013. Mayweather and Alvarez will meet for a WBC/WBA 154-pound title fight at the MGM Grand Garden Arena on Saturday.

Undefeated boxers Floyd Mayweather Jr., left, and Canelo Alvarez of Mexico pose with a WBC super welterweight belt during a news conference at the MGM Grand Wednesday, Sept. 11, 2013. Mayweather and Alvarez will meet for a WBC/WBA 154-pound title fight at the MGM Grand Garden Arena on Saturday. by Steve Marcus