Sport: Barcelona v Real Madrid at Camp Nou

Real Madrid's defender Sergio Ramos (L) vies with Barcelona's midfielder from Ivory Coast Yaya Toure (C) and captain Carles Puyol (R) during their Spanish League football match between Barcelona and Real Madrid on November 29, 2009 at Camp Nou stadium in Barcelona. AFP PHOTO/LLUIS GENE. (Photo credit should read LLUIS GENE/AFP/Getty Images) HORIZONTAL Photograph: Lluis Gene/guardian.co.uk

Barcelona's Lionel Messi controls the ball during their Spanish first division soccer match against Real Madrid at the Camp Nou stadium in Barcelona November 29, 2009. REUTERS/Albert Gea (SPAIN SPORT SOCCER) :rel:d:bm:GF2E5BT1FF801 Photograph: Albert Gea/guardian.co.uk

Real Madrid's Cristiano Ronaldo of Portugal reacts after missing a chance to score against FC Barcelona during their Spanish La Liga soccer match at the Camp Nou stadium in Barcelona, Spain, on Sunday, Nov. 29, 2009. (AP Photo/David Ramos) XLALIGAX Photograph: David Ramos/guardian.co.uk

epa01949118 FC Barcelona's midfielder Seydou Keita (R) from Mali heads for the ball with Real Madrid defender Sergio Ramos (L) during their Spanish Primera Division soccer match at the Camp Nou stadium in Barcelona, Spain, 29 November 2009. EPA/ALBERTO ESTEVEZ Photograph: Alberto Estevez/guardian.co.uk

Real Madrid's Marcelo (R) is tackled by Barcelona's Sergio Busquets as team mate Dani Alves looks on during their Spanish first division soccer match at the Camp Nou stadium in Barcelona November 29, 2009. REUTERS/Gustau Nacarino (SPAIN SPORT SOCCER) :rel:d:bm:GF2E5BT1GDT01 Photograph: Gustau Nacarino/guardian.co.uk

Barcelona's coach Josep Guardiola (R) gives instructions to Swedish player Zlatan Ibrahimovic during their Spanish first division soccer match against Real Madrid at the Camp Nou stadium in Barcelona November 29, 2009. REUTERS/Gustau Nacarino (SPAIN SPORT SOCCER) :rel:d:bm:GF2E5BT1IDR01 Photograph: Gustau Nacarino/guardian.co.uk

Barcelona's Zlatan Ibrahimovic scores a goal as Real Madrid's goalkeeper Iker Casillas is unable to stop the ball during their Spanish first division soccer match against Real Madrid at the Camp Nou stadium in Barcelona November 29, 2009. REUTERS/Albert Gea (SPAIN SPORT SOCCER IMAGES OF THE DAY) :rel:d:bm:GF2E5BT1I8R01 Photograph: Albert Gea/guardian.co.uk

epa01949214 FC Barcelona's Swedish striker Zlatan Ibrahimovic (R) celebrates with his teammates after scoring the winning goal during the Spanish Primera Division soccer match against Real Madrid at the Camp Nou stadium in Barcelona, Spain, 29 November 2009. Barca won 1-0. EPA/ALBERTO ESTEVEZ Photograph: Alberto Estevez/guardian.co.uk

FC Barcelona's Lionel Messi of Argentina, second right, duels for the ball against Real Madrid's Xabi Alonso, right, during a Spanish La Liga soccer match at the Camp Nou stadium in Barcelona, Spain, Sunday, Nov. 29, 2009. (AP Photo/Manu Fernandez) XLALIGAX Photograph: Manu Fernandez/guardian.co.uk

FC Barcelona's Daniel Alves, from Brazil, during a Spanish La Liga soccer match against Real Madrid at the Camp Nou stadium in Barcelona, Spain, Sunday, Nov. 29, 2009. (AP Photo/Manu Fernandez) XLALIGAX Photograph: Manu Fernandez/guardian.co.uk