Arsenal manager Arsene Wenger has revealed that a trio of first-team players "will be alright" to play a part against Everton at Goodison Park on Sunday.
The Frenchman expects to be able to call upon Alexis Sanchez and Aaron Ramsey for the trip to Merseyside, having been without both men for the defeat to Watford and win over Red Star Belgrade.
Centre-back Laurent Koscielny is also in contention to start against Everton after limping off with cramp at Vicarage Road last weekend, though forward Danny Welbeck remains out and a couple of others are facing longer layoffs
"Alexis, Koscielny and Ramsey will be alright," Wenger told reporters. "Welbeck is out - he has a groin problem. I think it will be two to three weeks before he is back. He will not be back before the international break.
"Mustafi will not be back before the break, and Ospina as well. Ospina is not very bad, he has a grade one [groin problem] so it's just a couple of weeks.
"Mustafi is a bit worse than Ospina. Calum Chambers as well will be back after the break, and everybody else is alright."
Arsenal will be looking to return to winning ways in the Premier League this weekend after going down 2-1 to Watford - their third defeat in eight top-flight games.