Arsenal will be without Kieran Tierney until October.
The Scotland international was signed from Celtic on deadline day.
But fans will have to wait to see him in action as he continues to recover from a groin injury.
The Gunners released an update on its injured players ahead of Saturday's clash with Burnley at the Emirates.
In regard to Tierney, it read: "Groin. Continues to receive treatment and further assessments. Aiming to participate in full training in October."