Real Madrid's Cristiano Ronaldo celebrates after scoring against Barcelona during their Spanish King's Cup quarter-final first leg "El Clasico" soccer match at the Santiago Bernabeu stadium in Madrid, January 18, 2012. REUTERS/Sergio Perez (SPAIN - Tags: SPORT SOCCER)
Referee Cesar Muniz Fernandez shows the yellow card to Barcelona's defender Gerard Pique (C) during the Spanish Cup "El clasico" football match Real Madrid vs Barcelona at the Santiago Bernabeu stadium in Madrid on January 18, 2012. AFP PHOTO/ DANI POZO
MD25. MADRID, 18/01/2012.- El delantero portugués del Real Madrid, Cristiano Ronaldo (d), chuta a puerta junto a Gerard Piqué, del FC Barcelona, para conseguir el primer gol blanco durante el partido de ida de los cuartos de final de la Copa del Rey que se está disputando, esta noche, en el estadio Santiago Bernabéu, en Madrid. EFE/González- Cebrián