Arsenal boss Mikel Arteta could not guarantee Folarin Balogun staying after victory over Barcelona.
Balogun missed last night's 5-3 preseason win in preseason.
Arteta said: "He wasn't available he had a little foot injury, and he hasn't been training with us, and he wasn't available to us, that was the reason."
Arteta was asked if Balogun will be staying.
"Yes, we will have to see. First of all, he has to be fit and available to play minutes."