| Austria (2) |
|---|
| Rapid Wien, | | Red Bull Salzburg, |
| | | | Belgium (4) |
|---|
| Anderlecht, | | Club Brugge, | | Racing Genk, | | Standard Liège, |
|
| | Croatia (1) |
|---|
| Dinamo Zagreb, |
| | Cyprus (2) |
|---|
| AEK Larnaca, | | Apollon Limassol, |
| | Czech Republic (3) |
|---|
| FK Jablonec, | | Slavia Praha, | | Viktoria Plzeň, |
|
| | England (2) |
|---|
| Arsenal, | | Chelsea, |
| | France (3) |
|---|
| Girondins Bordeaux, | | Olympique Marseille, | | Stade Rennes, |
| | Germany (3) |
|---|
| Bayer Leverkusen, | | Eintracht Frankfurt, | | RB Leipzig, |
|
| Greece (2) |
|---|
| Olympiacos Piraeus, | | PAOK FC, |
| | | Italy (4) |
|---|
| AC Milan, | | Internazionale, | | Lazio Roma, | | Napoli, |
| |
| Luxembourg (1) |
|---|
| F91 Dudelange, |
| | Norway (2) |
|---|
| Rosenborg BK, | | Sarpsborg 08, |
| | Portugal (2) |
|---|
| Benfica, | | Sporting CP, |
| | Russia (3) |
|---|
| FC Krasnodar, | | FC Zenit, | | Spartak Moskva, |
|
| Scotland (2) |
|---|
| Celtic, | | Glasgow Rangers, |
| | Slovakia (1) |
|---|
| Spartak Trnava, |
| | Spain (4) |
|---|
| Real Betis, | | Sevilla, | | Valencia, | | Villarreal, |
| |
| Switzerland (1) |
|---|
| FC Zürich, |
| | Turkey (4) |
|---|
| Akhisar Belediyespor, | | Besiktas, | | Fenerbahçe, | | Galatasaray, |
| | Ukraine (3) |
|---|
| Dynamo Kyiv, | | Shakhtar Donetsk, | | Vorskla Poltava, |
|