Seeded
Ajax (UCL)
Arsenal (Group F)
Basel (Group C)
Benfica (UCL)
Celtic (Group E)
Braga (Group K)
Espanyol (Group H)
Gent (Group I)
Inter (UCL)
İstanbul Başakşehir (Group J)
LASK (Group D)
Malmö (Group B)
Manchester United (Group L)
Porto (Group G)
FC Salzburg (UCL)
Sevilla (Group A)
Unseeded
APOEL (Group A)
AZ Alkmaar (Group L)
Bayer Leverkusen (UCL)
CFR Cluj (Group E)
Club Brugge (UCL)
Copenhagen (Group B)
Eintracht Frankfurt (Group F)
Getafe (Group C)
Ludogorets (Group H)
Olympiacos (UCL)
Rangers (Group G)
Roma (Group J)
Shakhtar Donetsk (UCL)
Sporting CP (Group D)
Wolfsburg (Group I)
Wolves (Group K)