MAJADAHONDA, MADRID - APRIL 21:  Goalkeeper Thibaut Courtois (L) of Atletico de Madrid enters the pitch with teammates Diego Costa (2ndL); Arda Turan (2ndR) and Tiago Mendes (R)  prior to start the training session ahead of the UEFA Champions League Semifinal first leg match between Club Atletico de Madrid and Chelsea FC at Atletico de Madrid Sport City on April 21, 2014 in Majadahonda, Spain.  (Photo by Gonzalo Arroyo Moreno/Getty Images)