Santiago Cazorla González
Villarreal have announced the return of Santi Cazorla, with the midfielder joining his old club for pre-season training.
Santi Cazorla has not played for Arsenal since October 2016 due to debilitating Achilles problems and will now leave the club.
Mesut Ozil has attracted strong criticism in recent weeks, but Arsene Wenger insists the German will prove an asset in future.
Santi Cazorla took a significant step towards a first-team return after training on Saturday.
Although the Spain midfielder has been able to take part in light training drills, Santi Cazorla has not been offered a new Arsenal deal.
Arsenal midfielder Santi Cazorla has suffered an injury ordeal over the past two seasons but returned to familiar surroundings on Thursday.
Jack Wilshere is yet to extend his Arsenal contract but Arsene Wenger is confident they will be able to keep the midfielder.
Arsenal's bid for Pierre-Emerick Aubameyang and the futures of Mesut Ozil, Olivier Giroud and Santi Cazorla were discussed by Arsene Wenger.
Arsene Wenger does not expect Santi Cazorla to be back in training before February after the Spain international's latest ankle surgery.
Arsene Wenger feels terrible for Santi Cazorla but hopes his latest operation does not prevent him from returning for Arsenal in January.