The former Manchester City midfielder has been off the boil of late, as his failure to score or assist in last weekend's 1-0 win over Leicester City made it seven games without a goal contribution in the Premier League.
Palmer then came off the bench for the second half of Chelsea's 1-0 victory over Copenhagen in the Conference League in midweek, but the England international is nowhere to be seen at the Emirates.
Arsenal starting lineup: Raya; Timber, Saliba, Gabriel, Lewis-Skelly; Odegaard, Partey, Rice; Martinelli, Merino, Trossard
Subs: Neto, Tierney, White, Kiwior, Zinchenko, Jorginho, Calafiori, Nwaneri, Butler-Oyedeji
Chelsea starting lineup: Sanchez; Fofana, Badiashile, Colwill, Cucurella; James, Caicedo; Sancho, Fernandez, Nkunku; Neto
Subs: Jorgensen, Bettinelli, Adarabioyo, Chalobah, Gusto, Acheampong, Lavia, Dewsbury-Hall, George
More to follow.
Written by
Ben Knapton