Arsenal take on Olympiacos at the Emirates this evening with a 3-1 lead from the first leg in Athens.
Mikel Arteta will be looking for his side to do the business with minimum fuss. Here are the official line-ups.
Arsenal: Leno, Bellerin, Luiz, Gabriel, Tierney, Xhaka, Elneny, Ceballos, Smith Rowe, Pepe, Aubameyang
Subs: Ryan, Okwonko, Holding, Cedric, Chambers, Mari, Partey, Odegaard, Nelson, Nketiah, Lacazette, Martinelli
Olympiacos: Sa, Holebas, Ba, Sokratis, Androutous, M’Vila, Camara, Reabciuk, Masouras, Fortounis, El-Arabi.
Subs: Karargyris, Tzolakis, Bouchalakis, Vrousai, Drager, Bruma, Lala, Sourlis, Randjelovic