| | | | Greece (1) |
|---|
| Olympiacos Piraeus, |
|
| Lithuania (1) |
|---|
| Žalgiris Vilnius, |
| | Netherlands (2) |
|---|
| Feyenoord, | | Vitesse, |
| | |
| Portugal (1) |
|---|
| Sporting Braga, |
| | Romania (1) |
|---|
| Steaua Bucureşti, |
| | Scotland (2) |
|---|
| Glasgow Rangers, | | Hibernian, |
| |
| | | Swiss (2) |
|---|
| FC Basel, | | FC Luzern, |
| | Turkey (1) |
|---|
| Istanbul Başakşehir, |
|
| Ukraine (1) |
|---|
| Zorya Luhansk, |
|