MADRID, SPAIN - MARCH 10: goalkeeper Iker Casillas of Real Madrid CF looses the ball scored by Klaas-Jan Huntelaar of FC Schalke 04 during the UEFA Champions League round of 16 second leg match between Real Madrid CF and FC Schalke 04 at Estadio Santiago Bernabeu on March 10, 2015 in Madrid, Spain.  (Photo by Gonzalo Arroyo Moreno/Getty Images)