(L-R) Croatia's midfielder Mateo Kovacic, Croatia's defender Gordon Schildenfeld, Croatia's forward Mario Mandzukic and Croatia's midfielder Ivan Rakitic warm up during a training session of the Croatian team at the Corinthians Arena in Sao Paulo, on June 11, 2014, on the eve of a Group A football match between Brazil and Croatia during the 2014 FIFA World Cup. AFP PHOTO / DIMITAR DILKOFF (Photo credit should read DIMITAR DILKOFF/AFP/Getty Images)