Boxing promoter Oscar De La Hoya (L) and Pedro Diaz of Cuba, trainer for Miguel Cotto, attend a news conference at the MGM Grand Hotel and Casino in Las Vegas, Nevada May 2, 2012.WBA super welterweight champion Miguel Cotto of Puerto Rico will defend his title against undefeated boxer Floyd Mayweather Jr. of the U.S. at the MGM Grand Garden Arena on May 5. REUTERS/Las Vegas Sun/Steve Marcus (UNITED STATES - Tags: SPORT BOXING)