
Arsenal's Dutch forward Robin van Persie (2R) and Arsenal's Spanish midfielder Cesc Fabregas (R) react

Lionel Messi of Barcelona reacts after scoring his sides opening goal during the UEFA Champions League round of 16 second leg match between Barcelona and Arsenal

Barcelona's Argentinian forward Lionel Messi scores a goal

Barcelona's Argentinian forward Lionel Messi (C) is congratuled by his teamate Barcelona's midfielder Andres Iniesta (C2) after scoring

Barcelona's Argentinian forward Lionel Messi (C) celebrates after scoring his second goal as Arsenal's Goalkeeper Manuel Almunia (L) reacts

Arsenal's Abou Diaby (L) celebrates with team mate Samir Nasri (R) after an own goal by Barcelona's Sergio Busquets

Barcelona's Argentinian forward Lionel Messi (R-up) is congratulated

Robin van Persie of Arsenal reacts

(L-R) Barcelona's midfielder Andres Iniesta, Barcelona's midfielder Xavi Hernandez

Lionel Messi of FC Barcelona (C) scores

Arsenal's Tomas Rosicky (R) fails to stop Barcelona's Brazilian defender Adriano

Head coach Arsene Wenger of Arsenal reacts backdropped by head coach Josep Guardiola of Barcelona

Barcelona's Dutch Ibrahim Afellay (C) vies with Arsenal's Spanish goalkeeper Manuel Almunia (R) and Arsenal's Swiss defender Jhoan Djourou

Lionel Messi of FC Barcelona (C) duels for the ball against Tomas Rosicky of Arsenal

Head coach Arsene Wenger of Arsenal

Lionel Messi of FC Barcelona (C) celebrates with his teammates

Robin van Persie (R) of Arsenal stands with his teammate Cesc Fabregas after conceding a goal

Robin van Persie of Arsenal receives a red card

Jack Wilshere and Cesc Fabregas of Arsenal leave the field

Xavi Hernandez of Barcelona celebrates with team-mates David Villa and Andres Iniesta

David Villa of Barcelona is tackled by Manuel Almunia and Laurent Koscielny of Arsenal

Lionel Messi of FC Barcelona (C) celebrates with his teammates

David Villa (R) of Barcelona shoots on goal past Johan Djourou of Arsenal

Dani Alves of FC Barcelona (L) shoots towards goal under a challenge by Arsenal players

Johan Djourou (L) of Arsenal checks on his injured teammate Goalkeeper Wojciech Szczesny

Lionel Messi of FC Barcelona (R) duels for the ball against Cesc Fabregas of Arsenal

Robin van Persie (L) of Arsenal reacts to referee Massimo Busacca after receiving a red card

Cesc Fabregas (C), the Arsenal captain, shakes hands with Andres Iniesta (3L) of Barcelona

Laurent Koscielny of Arsenal brings down Pedro Rodriguez of FC Barcelona to concede a penalty

Xavi Hernandez of FC Barcelona (2ndL) scores his team's second goal under a challenge by Bacary Sagna of Arsenal

Robin van Persie (L) of Arsenal shoots on goal from offside position past Eric Abidal of Barcelona

Cesc Fabregas of Arsenal argues with players of Barcelona

Lionel Messi of Barcelona is tackled by Andrey Arshavin of Arsenal

Josep Guardiola the Barcelona coach celebrates

Samir Nasri (L) of Arsenal is challenged by Xavi Hernandez of Barcelona

Lionel Messi (R) and Eric Abidal of Barcelona

Lionel Messi of FC Barcelona (C) celebrates with his teammates

Arsene Wenger the Arsenal manager shouts instructions during their UEFA Champions League tie at Barcelona

Jack Wilshere and Cesc Fabregas of Arsenal leave the field at the end of the UEFA Champions League round of 16 second leg match between Barcelona and Arsenal

Gael Clichy of Arsenal leaves the field at the end of the UEFA Champions League round of 16 second leg match between Barcelona and Arsenal

Barcelona's midfielder Xavi Hernandez celebrates his goal against Arsenal

Barcelona's Argentinian forward Lionel Messi (R-up) is congratulated by his teamates

Barcelona's players celebrate after scoring a goal

Arsenal's Dutch forward Robin van Persie (L) is sent off during the match against Barcelona

Arsenal's French defender Abou Diaby (R) is congratlated

Arsenal's French defender Abou Diaby (L) is congratulated by his teamates

Barcelona's Argentinian forward Lionel Messi looks on

Arsenal's Dutch forward Robin van Persie (L) and Arsenal's Spanish midfielder Cesc Fabregas

Barcelona's forward Lionel Messi celebrates after scoring

Barcelona's coach Pep Guardiola celebrates