Arsenal boss Unai Emery said he has "confidence" Shkodran Mustafi can perform for the club if called upon this season despite telling him he can leave the Emirates Stadium this summer.
The Gunners brought in David Luiz before the Premier League summer transfer deadline on Thursday, but they can still sell players abroad until September 2.
Per Goal's Charles Watts, Emery revealed he had discussed a potential departure with Mustafi: "I spoke with him when we finished last season. I spoke with him when we started pre-season and I spoke with him also two weeks ago saying maybe there was the possibility he can leave.