Arsenal are waiting to learn the extent of Bukayo Saka’s injury after the winger was substituted on international duty. The international breaks have not treated Mikel Arteta well this season, as injury concerns have hit the Arsenal squad. In the September break, captain Martin Odegaard suffered an ankle injury, with Riccardo Calafiori also being the subject of a scare. Fast forward to now and the Gunners have another situation to deal with, as Saka was hurt during England’s defeat to Greece at Wembley. READ MORE: Every Arsenal player on international duty during the October break including wh…