Real Madrid's Xabi Alonso (L) reacts to referee Frank de Bleeckere of Belgium after a foul during their Champions League semi-final second leg soccer match against Barcelona at Nou Camp stadium in Barcelona, May 3, 2011. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)
Barcelona's Sergio Busquets (front) heads the ball during their Champions League semi-final second leg soccer match against Real Madrid at Nou Camp stadium in Barcelona, May 3, 2011. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)
Real Madrid's Xabi Alonso (L) battles for the ball against Barcelona's Andres Iniesta during their Champions League semi-final second leg soccer match at Nou Camp stadium in Barcelona, May 3, 2011. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)