Arsenal arrived in Germany to face a Dortmund side which had made its most successful start to a league season since 2010/11 . Arsenal claims victory at Borussia Dortmund with a Ramsey goal . Messi leads Barcelona to qualification . Atletico Madrid cruises through to next round . Arsenal thrashes Chelsea 3 - 0 at Stamford Bridge .
Arsenal claims victory at Borussia Dortmund with a Ramsey goal . Messi leads Barcelona to qualification . Atletico Madrid cruises through to next round . Arsenal thrashes Chelsea 3 - 0 at Stamford Bridge .