Grupp 1: Arsenal, Zenit St. Petersburg, Lyon, Dynamo Kiev, Villarreal, Athletic Bilbao, Lazio, AC Milan, Viktoria Plzen, FC Salzburg, FC Köpenham, Braga.
Grupp 2: Steaua Bucharest, Ludogorets Razgrad, BATE Borisov, Everton, Young Boys, Marseille, Real Sociedad, Maccabi Tel-Aviv, Lokomotiv Moscow, Austria Wien, Hertha Berlin, Nice.
Grupp 3: Astana, Partizan Belgrad, Hoffenheim, Köln, NK Rijeka, Vitoria Guimaraes, Atalanta, Zulte Waregem, Zorya Luhansk, Rosenborg, Sheriff Tiraspol, Hapoel Beer-Sheva.
Grupp 4: Apollon Limassol, Istanbul Basaksehir, Konyaspor, Vitesse Arnhem, Slavia Prague, Red Star Belgrad, Skenderbeu, FC Zlin, AEK Aten, FC Lugano, Vardar Skopje, Östersund.