File photo of Argentina’s Perez listening to the national anthem before their international friendly soccer match against Slovenia ahead of the 2014 World Cup in La Plata

Argentina’s Enzo Perez listens to the national anthem before their international friendly soccer match against Slovenia ahead of the 2014 World Cup in La Plata in this June 7, 2014 file photo. REUTERS/Marcos Brindicci/Files (ARGENTINA – Tags: SPORT SOCCER WORLD CUP HEADSHOT)