| Austria (2) |
|---|
| Red Bull Salzburg, | | Sturm Graz, |
| | | | Croatia (1) |
|---|
| Dinamo Zagreb, |
|
| Czech Republic (1) |
|---|
| Viktoria Plzeň, |
| | Denmark (1) |
|---|
| FC Midtjylland, |
| | England (2) |
|---|
| Aston Villa, | | Nottingham Forest, |
| | France (3) |
|---|
| Lille, | | Olympique Lyon, | | Olympique Nice, |
|
| Germany (2) |
|---|
| SC Freiburg, | | Stuttgart, |
| | Greece (2) |
|---|
| Panathinaikos, | | PAOK FC, |
| | | Israel (1) |
|---|
| Maccabi Tel Aviv, |
|
| Italy (2) |
|---|
| AS Roma, | | Bologna, |
| | Netherlands (3) |
|---|
| FC Utrecht, | | Feyenoord, | | Go Ahead Eagles, |
| | | Portugal (2) |
|---|
| FC Porto, | | Sporting Braga, |
|
| | Scotland (2) |
|---|
| Celtic, | | Rangers FC, |
| | | Spain (2) |
|---|
| Celta de Vigo, | | Real Betis, |
|
| | Swiss (2) |
|---|
| FC Basel, | | Young Boys, |
| |