Chile's Colo Colo Andres Scotti, left, and Paraguay's Cerro Porteno's Pedro Juan Benitez go for a header during a Copa Libertadores soccer match in Santiago, Chile, Wednesday, April 20, 2011. Cerro ... more 
Chile's Colo Colo Andres Scotti, left, and Paraguay's Cerro Porteno's Pedro Juan Benitez go for a header during a Copa Libertadores soccer match in Santiago, Chile, Wednesday, April 20, 2011. Cerro Porteno won 3-2. less 
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Associated Press | Photo By Roberto Candia
Wed, Apr 20, 2011 9:32 PM EDT