| 1 |  Alonzo Engwanda | Midfield - Defensive Midfield | Belgium DR Congo | FC Utrecht | 2003 | €2.5m |
| 2 |  Mateusz Legowski | Midfield - Defensive Midfield | Poland | Eyüpspor | 2003 | €2.5m |
| 3 |  Skelly Alvero | Midfield - Defensive Midfield | France Angola | SV Werder Bremen | 2002 | €2.5m |
| 4 |  Connor Barron | Midfield - Defensive Midfield | Scotland | Rangers FC | 2002 | €2.5m |
| 5 |  Mykola Mykhaylenko | Midfield - Defensive Midfield | Ukraine | Dynamo Kyiv | 2001 | €2.5m |
| 6 |  Tim Breithaupt | Midfield - Defensive Midfield | Germany | Fortuna Düsseldorf | 2002 | €2.5m |
| 7 |  Marco Angulo | Midfield - Defensive Midfield | Ecuador | --- | 2002 | €2.8m |
| 8 |  Dirk Proper | Midfield - Defensive Midfield | Netherlands | NEC Nijmegen | 2002 | €3.0m |
| 9 |  Leon Flach | Midfield - Defensive Midfield | United States Germany | Jagiellonia Bialystok | 2001 | €3.0m |
| 10 |  Juan Sforza | Midfield - Defensive Midfield | Argentina Italy | Esporte Clube Juventude | 2002 | €2.0m |
| 11 |  Rassoul Ndiaye | Midfield - Defensive Midfield | Senegal France | Le Havre AC | 2001 | €2.0m |
| 12 |  Veldin Hodza | Midfield - Defensive Midfield | Kosovo Croatia | Rubin Kazan | 2002 | €3.0m |
| 13 |  Iker Muñoz | Midfield - Defensive Midfield | Spain | CA Osasuna | 2002 | €3.0m |
| 14 |  Jon Gorrotxategi | Midfield - Defensive Midfield | Spain | Real Sociedad | 2002 | €3.0m |
| 15 |  Billy Mitchell | Midfield - Defensive Midfield | England | Millwall FC | 2001 | €3.0m |
| 16 |  Vicente Poggi | Midfield - Defensive Midfield | Uruguay Italy | CD Godoy Cruz Antonio Tomba | 2002 | €2.0m |
| 17 |  Mamady Diambou | Midfield - Defensive Midfield | Mali | Red Bull Salzburg | 2002 | €3.0m |
| 18 |  Marko Bulat | Midfield - Defensive Midfield | Croatia | Raków Częstochowa | 2001 | €2.0m |
| 19 |  Bruno Leyes | Midfield - Defensive Midfield | Argentina | Club Atlético Tigre | 2001 | €1.8m |
| 20 |  Anouar El Azzouzi | Midfield - Defensive Midfield | Morocco Netherlands | Fortuna Düsseldorf | 2001 | €1.8m |
| 21 |  Thomas van den Belt | Midfield - Defensive Midfield | Netherlands | Twente Enschede FC | 2001 | €1.8m |
| 22 |  Aleksandr Kutitskiy | Midfield - Defensive Midfield | Russia | Dynamo Moscow | 2002 | €1.8m |
| 23 |  Matheus Dias | Midfield - Defensive Midfield | Brazil | CD Nacional | 2002 | €1.5m |
| 24 |  Kristijan Belic | Midfield - Defensive Midfield | Serbia Belgium | Maccabi Tel Aviv | 2001 | €3.5m |
| 25 |  Julian Niehues | Midfield - Defensive Midfield | Germany | 1.FC Heidenheim 1846 | 2001 | €1.5m |
| 26 |  Jadsom | Midfield - Defensive Midfield | Brazil | Al-Wahda FC | 2001 | €3.5m |
| 27 |  Djibril Soumaré | Midfield - Defensive Midfield | Senegal | Sheffield United | 2003 | €1.5m |
| 28 |  Mathias Kjølø | Midfield - Defensive Midfield | Norway | Twente Enschede FC | 2001 | €1.5m |
| 29 |  Franco Ibarra | Midfield - Defensive Midfield | Argentina | CA Rosario Central | 2001 | €3.5m |
| 30 |  Jakub Kaluzinski | Midfield - Defensive Midfield | Poland | Antalyaspor | 2002 | €3.5m |