CARTAGENA, COLOMBIA - AUGUST 13: Referee Peter O'Leary discusses with Rodrigo Battaglia of Argentina and Sergio Oliveira (R-L) of Portugal during the FIFA U-20 World Cup 2011 quarter final match between Portugal and Argentina at Estadia Jaime Moron Leon on August 13, 2011 in Cartagena, Colombia. (Photo by Alex Grimm - FIFA/FIFA via Getty Images)