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LEON, SPAIN - JUNE 11: Goalkeeper Iker Casillas (L) of Spain looks to his teammate goalkeeper David de Gea (L) during their warming up prior to start the international friendly match between Spain and Costa Rica at Reino de Leon Stadium on June 11, 2015 in Leon, Spain. (Photo by Gonzalo Arroyo Moreno/Getty Images)

LEON, SPAIN - JUNE 11: Goalkeeper Iker Casillas (L) of Spain looks to his teammate goalkeeper David de Gea (L) during their warming up prior to start the international friendly match between Spain and Costa Rica at Reino de Leon Stadium on June 11, 2015 in Leon, Spain.  (Photo by Gonzalo Arroyo Moreno/Getty Images)