Paris Saint-Germain's Uruguayan forward Edinson Cavani grimaces during a warm-up session before the French L1 football match between Paris Saint-Germain (PSG) and Rennes (SRFC) at the Parc des Princes stadium in Paris on May 7, 2014. AFP PHOTO / FRANCK FIFE (Photo credit should read FRANCK FIFE/AFP/Getty Images)