The midfielder has been linked with Atletico Madrid in recent days.
"I hope I can bring many things, although it will be difficult to get in the side!
"There are so many players and all at a great level: [Mesut] Ozil, [Aaron] Ramsey, [Jack] Wilshere, [Theo] Walcott, and now Alexis too. In any case, it's important that the group is competitive. That will mean we all raise our game."
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