Five of Arsenal’s crosses came during the 69 minutes before Merino was on the pitch and only one of those was successful. That was because Declan Rice was able to get on the end of one, though, and not Trossard - who was playing as the No9 at that point.

Arsenal match winner Mikel Merino has admitted it was a surprise to come on as a striker against Leicester City having never played in the position before.