Group A: Roma, Young Boys, CFR Cluj, CSKA Sofia.

Group B: Arsenal, Rapid Vienna, Molde, Dundalk.

Group C: Bayer Leverkusen, Slavia Prague, Hapoel Beer-Sheva, Nice.

Group D: Benfica, Standard Liege, Rangers, Lech Poznan.

Group E: PSV Eindhoven, PAOK, Granada, Omonoia.

Group F: Napoli, Real Sociedad, AZ Alkmaar, HNK Rijeka.

Group G: Braga, Leicester, AEK Athens, Zorya Luhansk.

Group H: Celtic, Sparta Prague, AC Milan, Lille.

Group I: Villarreal, Qarabag, Maccabi Tel-Aviv, Sivasspor.

Group J: Tottenham, Ludogorets, LASK, Royal Antwerp.

Group K: CSKA Moscow, Dinamo Zagreb, Feyenoord, Wolfsberger.

Group L: Gent, Red Star Belgrade, Hoffenheim, Slovan Liberec.