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Welterweight boxer Robert Guerrero, center, pumps his fist on stage after making his official arrival at the MGM Grand Tuesday, April 30, 2013. Withe Guerrero are his father Ruben Guerrero, left, and "Tattoo," a Los Angeles-based radio personality. Guerrero will challenge WBC welterweight champion Floyd Mayweather Jr. for the title at the MGM Grand Garden Arena on Saturday.

Steve Marcus