Boxing promoter and former boxing champion Oscar De La Hoya (L) poses with WBC super welterweight champion Saul Alvarez of Mexico during official arrivals at the MGM Grand Hotel & Casino in Las Vegas, Nevada May 1, 2012. Alvarez will defend his title against former champion Shane Mosley of the U.S. at the MGM Grand Garden Arena on May 5. REUTERS/Las Vegas Sun/Steve Marcus (UNITED STATES - Tags: SPORT BOXING)