Arsenal are hopeful Takehiro Tomiyasu will be fit to return for the visit of Brentford.
The Japan international has been missing with a calf injury but has trained in recent days and could be available.
Bees striker Ivan Toney missed the goalless draw against Crystal Palace with a calf issue but has again taken part in light training ahead of a late fitness test.
Denmark midfielder Christian Eriksen will not be in line to make his Premier League debut for the club but is set for another run-out in a behind-closed-doors friendly on Monday to build up match sharpness.
Defenders Mathias Jorgensen (thigh) and Julian Jeanvier (knee) and midfielder Tariqe Fosu (thigh) all continue their own recovery.
Arsenal provisional squad: Leno, Ramsdale, Tomiyasu, Chambers, Cedric, Gabriel, White, Holding, Tierney, Tavares, Lokonga, Partey, Xhaka, Elneny, Patino, Odegaard, Smith Rowe, Saka, Pepe, Lacazette, Nketiah
Brentford provisional squad: Raya, Henry, Pinnock, Jansson, Ajer, Norgaard, Jensen, Wissa, Mbeumo, Janelt, Canos, Fernandez, Lossl, Sorensen, Roerslev, Stevens, Dasilva, Onyeka, Baptiste, Ghoddos, Toney
