Group A: Villarreal, Borussia Monchengladbach, FC Zurich, Limassol
Group B: FC Copenhagen, Club Brugge, Torino, Helsinki
Group C: Tottenham Hotspur, Besiktas, Partizan Belgrade, Tripolis
Group D: FC Salzburg, Celtic, Dinamo Zagreb, Astana
Group E: PSV Eindhoven, Panithianikos, Estoril, Dynamo Moscow
Group F: Inter Milan, Dnipro, St-Etienne, Qarabag
Group G: Sevilla, Standard Liege, Feyenoord, Rijeka
Group H: Lille, Wolfsburg, Everton, Krasnodar
Group I: Napoli, Sparta Prague, Young Boys, Slovan Bratislava
Group J: Dynamo Kiev, Steaua Bucharest, Rio Ave, Aalborg
Group K: Fiorentina, PAOK, Guingamp, Dinamo Minsk
Group L: Metalist Kharkiv, Trabzonspor, Legia Warsaw, Lokeren