Madrid - Real Madrid coach Carlo Ancelotti's decision to deploy defender Sergio Ramos in central midfield was the key to Wednesday's 1-0 Champions League victory over Atletico Madrid, according to captain Iker Casillas.
Ramos, who normally plays as a centre-back, was in the thick of the action throughout the quarter-final, second leg at the Bernabeu before Javier Hernandez struck two minutes from time to send holders Real through to the semi-finals for a fifth straight season.
Spain international Ramos helped Real dominate the midfield, an area in which they had struggled against Atletico in recent encounters, and it was their first win over their city rivals in eight meetings since last season's Champions League final.