WBO/WBA super bantamweight champion Guillermo Rigondeaux was putting in work for Saturday's showdown with opponent Sod Kokietgym of Thailand at the Cotai Arena at the Venetian Resort in Macau, China. Rigondeaux, a two-time Olympic gold medal winenr, makes the second defense of his unified crown since the twelve round unanimous decision victory over Nonito Donaire last April. The upcoming defense will be showcased, on a delayed basis, on UniMas. The headlines bout with Gilberto Ramirez and Zou Shiming will be carried by HBO2.