Olympiacos 0-0 Arsenal, LIVE: Latest scores and updates as Gunners aim to build first leg advantage as they return to Europa League action
- Olympiacos starting XI: Jose Sa, Elabdellaoui, Semedo, Ba, Tsimikas, Bouchalakis, Camara, Guilherme, Giorgos Masouras, El Arabi, Valbuena
- Olympiacos subs: Fortounis, Allain, Lovera, Papadopoulos, Cisse, Bruno Gaspar, Randjelovic
- Arsenal starting XI: Leno, Mustafi, Papastathopoulos, Luiz, Saka, Guendouzi, Xhaka, Martinelli, Willock, Aubameyang, Lacazette
- Arsenal subs: Ceballos, Maitland-Niles, Holding, Pepe, Martinez, Nketiah, Kolasinac
- The late UEFA Europa League fixtures kick off from 8pm BST
The Gunners are the runners-up from last term and given their Premier League struggles this season will look towards winning the competition as perhaps their chance of returning to the Champions League.