| | | Belgicko (1) |
|---|
| Royal Antwerp FC, |
| | Chorvátsko (1) |
|---|
| Hajduk Split, |
|
| Česká republika (2) |
|---|
| FC Slovácko, | | Slavia Praha, |
| | | | Grécko (2) |
|---|
| Olympiacos Piraeus, | | Panathinaikos, |
|
| Luxembursko (1) |
|---|
| F91 Dudelange, |
| | Holandsko (2) |
|---|
| AZ, | | FC Twente, |
| | Severné Írsko (1) |
|---|
| Linfield FC, |
| |
| Portugalsko (1) |
|---|
| Vitória Guimarães, |
| | Škótsko (1) |
|---|
| Dundee United, |
| | | Slovensko (1) |
|---|
| Slovan Bratislava, |
|
| | | Švajčiarsko (2) |
|---|
| FC Basel, | | FC Zürich, |
| |