Arteta on whether Mustafi will leave in Jan:
— Chris Wheatley (@ChrisWheatley) January 13, 2021
"His future right now is here. Trying to help. We have Papa [Sokratis] that probably is going to leave the club this window, we have William [Saliba] that has already gone on loan. So we don't have that many [CBs] right now." pic.twitter.com/qKhvCKjC84