​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)