Barcelona players celebrateImage source, Getty Images
Image caption,

Barcelona have won 13 of their 15 games this season after beating Aston Villa

ByNick MashiterFootball reporter

Unai Emery punched the air in frustration at the Spotify Nou Camp.

It came from a place of disappointment and exasperation as his Aston Villa side let slip the opportunity of a result in their Champions League tie against Barcelona.

They had just fallen 2-0 behind in Spain, having tried to match the hosts blow-for-blow.