But for every top team underperforming, there's an underdog seizing their moment and taking their place. And during this phase, Aston Villa, Lille, Brest, Celtic and Club Brugge certainly rose to the occasion as they all secured unexpected placings in the next round.

There were storylines across all 18 simultaneous kick-offs – not to mention 64 goals in total – but Aston Villa and Lille securing automatic qualification for the round of 16, as well as Manchester City coming from the elimination zone to reach the knockout phase play-offs, were among the headlines. UEFA.com rounds up all the action.