Luis Omar Hernandez of Mexico's San Luis, right, fights for the ball with Wason Renteria of Colombia's Once Caldas during a Copa Libertadores soccer match in San Luis Potosi, Mexico, Wednesday, March ... more 
Luis Omar Hernandez of Mexico's San Luis, right, fights for the ball with Wason Renteria of Colombia's Once Caldas during a Copa Libertadores soccer match in San Luis Potosi, Mexico, Wednesday, March 2, 2011 less 
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Associated Press | Photo By Bernardo De Niz
Sat, Mar 5, 2011 8:47 AM EST