| Austria (1) |
|---|
| Red Bull Salzburg, |
| | | Czech Republic (1) |
|---|
| Viktoria Plzeň, |
| |
| | France (2) |
|---|
| Olympique Lyon, | | Olympique Marseille, |
| | Germany (2) |
|---|
| Borussia Dortmund, | | RB Leipzig, |
| |
| Italy (4) |
|---|
| AC Milan, | | Atalanta, | | Lazio Roma, | | Napoli, |
| | | Portugal (2) |
|---|
| Sporting Braga, | | Sporting CP, |
| | Romania (1) |
|---|
| Steaua Bucureşti, |
|
| Russia (2) |
|---|
| FC Zenit, | | Spartak Moskva, |
| | | | Spain (4) |
|---|
| Athletic Club, | | Atlético Madrid, | | Real Sociedad, | | Villarreal, |
|
| |