The Inter manager was the first to change tactics, the Colombian Rivaz making way for Ivan Cordoba, and it seemed to rouse his team.

BBC: Inter Milan 0-0 Man Utd

Dutch midfielder Wesley Sneijder may miss the match after injuring an ankle in training on Monday, while goalkeeper Julio Cesar and center-back Ivan Cordoba also face late fitness tests after picking up knocks in Saturday's 3-0 win over Bologna.

CNN: STORY HIGHLIGHTS

Still, with six minutes of normal time remaining, Barcelona broke the Italians' backline for virtually the first time as Pique, arguably offside, collected Xavi's pass, turned inside defender Ivan Cordoba's challenge and slid home for a goal of which Messi himself would have been proud.

BBC: Barcelona 1-0 Inter (agg 2-3)