Here are the official line-ups for Atalanta-Olympiacos, the first leg of the 2021-2022 UEFA Europa League knockout round playoffs scheduled for today at 21 CET at the Gewiss Stadium in Bergamo.

Atalanta: Musso, Toloi, Demiral, Djimsiti, Mæhle, de Roon, Pessina, Pezzella, Malinovskyi, Pašalić, Muriel. Bench: Rossi, Sportiello, Koopmeiners, Boga, Freuler, Mihaila, Hateboer, Scalvini, Zappacosta. Coach: Gian Piero Gasperini.

Olympiacos: Vaclik, Papastathopoulos, Manolas, Cissè, Lala, M’Villa, A. Camara, Reabciuk, Masouras, Soares, Onyekuru. Bench: Tsolakis, M. Camara, Bouchalakis, Kunde, Rony Lopes, El-Arabi, Vrousai, Fadiga, Ba, Valbuena, Papadopoulos, Kitsos. Coach: Pedro Martins.

Referee: Sandro Schärer (SUI).
Assistants: Stephane De Almeida (SUI) and Jonas Erni (SUI).
Fourth official: Alessandro Dudic (SUI).
V.A.R.: Marco Fritz (GER).
A.V.A.R.: Fedayi San (SUI).