Our signing of Konstantinos Mavropanos may have been unexpected - but Arsene Wenger has already been hugely impressed by the Greek defender.

The 20-year-old has made an instant impression in training, and this is what the boss has said about him:

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on Mavropanos and if he’ll stay for the rest of the season…

I personally want to keep him until May, to know him better, to assess his level. The first signs he has shown in training are so encouraging that I decided to keep him until May.