Barcelona faced a golden opportunity in their Champions League round of 16 first-leg clash against Napoli, but squandered it on Wednesday.
Mikel Arteta bemoaned a lack of aggression from his Arsenal side in the Champions League defeat at Porto.
Manchester United's European campaign is over after Kingsley Coman fired already-qualified Bayern Munich to a 1-0 victory that meant Erik ten Hag's men finished bottom of their Champions League group.
Arsenal's much-changed side were lucky to leave the Netherlands with a 1-1 draw in their dead-rubber Champions League tie against PSV Eindhoven.
Eddie Howe is dreaming of a "magical European night" as Newcastle attempt to book their place in the last 16 of the Champions League.
Kylian Mbappe snatched a famous Champions League victory from Newcastle's grasp with a controversial penalty in the eighth minute of stoppage-time to earn Paris St Germain a 1-1 draw.