It is one thing to dismantle Real Madrid, the European champions, in a two-leg knockout tie. It is another thing entirely to do so without a recognised striker, without arguably your best central defender and with a teenager at left-back who had never even played in defence before this season.

Arsenal fans hoping for a straightforward evening at the Bernabeu will no doubt have been left feeling a little less secure after watching Aston Vill and Borussia Dortmund come close to completing comebacks last night.

Arsenal transfer news as Mikel Arteta sends clear message to sporting director Andrea Berta ahead of summer window