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World super flyweight champion Martin 'El Gallo' Castillo of Hacienda Hts., California, will defend his world title against former champion Alexander 'El Explosivo' Munoz of Venezuela on Top Rank's big Erik Morales vs. Manny Pacquiao "The Battle" championship card hosted by Wynn Las Vegas at the Thomas and Mack Center, Las Vegas, on Jan. 21. [details]
