| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Ümit Akdağ | Defender - Centre-Back | Romania Türkiye | Alanyaspor | 2003 | €0.6m |
| 2 |  Gabriele Bracaglia | Defender - Centre-Back | Italy | Frosinone Calcio | 2003 | €0.6m |
| 3 |  Mladen Cvjetinovic | Defender - Centre-Back | Bosnia-Herzegovina Germany | Holstein Kiel | 2003 | €0.6m |
| 4 |  Gabriele Calvani | Defender - Centre-Back | Italy | Frosinone Calcio | 2004 | €0.6m |
| 5 |  Unai Egiluz | Defender - Centre-Back | Spain | Athletic Bilbao | 2002 | €0.6m |
| 6 |  Yannik Lührs | Defender - Centre-Back | Germany | TSG 1899 Hoffenheim II | 2003 | €0.6m |
| 7 |  Djibril Lamego | Defender - Centre-Back | France | RAAL La Louvière | 2003 | €0.6m |
| 8 |  Kadir Seven | Defender - Centre-Back | Türkiye | Corum FK | 2003 | €0.6m |
| 9 |  Will Fish | Defender - Centre-Back | England | Cardiff City | 2003 | €0.6m |
| 10 |  Volodymyr Salyuk | Defender - Centre-Back | Ukraine | Metalist 1925 Kharkiv | 2002 | €0.6m |
| 11 |  Ajdi Dajko | Defender - Centre-Back | Albania Greece | LNZ Cherkasy | 2002 | €0.6m |
| 12 |  Cleiton | Defender - Centre-Back | Brazil | CR Flamengo | 2003 | €0.6m |
| 13 |  Ibane Bowat | Defender - Centre-Back | Scotland France | Portsmouth FC | 2002 | €0.6m |
| 14 |  Luizão | Defender - Centre-Back | Brazil | Without Club | 2002 | €0.6m |
| 15 |  Artemijus Tutyskinas | Defender - Centre-Back | Lithuania | NK Celje | 2003 | €0.6m |
| 16 |  Yevgen Pavlyuk | Defender - Centre-Back | Ukraine | Metalist 1925 Kharkiv | 2002 | €0.6m |
| 17 |  Damian van der Haar | Defender - Centre-Back | Netherlands | PEC Zwolle | 2004 | €0.6m |
| 18 |  Thibault Delphis | Defender - Centre-Back | France | FC Annecy | 2002 | €0.6m |
| 19 |  Rune Paeshuyse | Defender - Centre-Back | Belgium | KAS Eupen | 2002 | €0.6m |
| 20 |  Yakup Kırtay | Defender - Centre-Back | Türkiye | Erzurumspor FK | 2003 | €0.6m |
| 21 |  Óscar Mazatán | Defender - Centre-Back | Mexico | Mineros de Zacatecas | 2002 | €0.6m |
| 22 |  Ethan Pye | Defender - Centre-Back | England | Stockport County | 2003 | €0.6m |
| 23 |  Márk Csinger | Defender - Centre-Back | Hungary | ETO FC Győr | 2003 | €0.7m |
| 24 |  Sahmkou Camara | Defender - Centre-Back | Guinea France | MFK Karvina | 2003 | €0.7m |
| 25 |  Nosa Edward Obaretin | Defender - Centre-Back | Italy Nigeria | FC Empoli | 2003 | €0.7m |
| 26 |  Antef Tsoungui | Defender - Centre-Back | Belgium England | GD Estoril Praia | 2002 | €0.7m |
| 27 |  Bartlomiej Smolarczyk | Defender - Centre-Back | Poland | Korona Kielce | 2003 | €0.7m |
| 28 |  David López | Defender - Centre-Back | Spain | RCD Mallorca | 2003 | €0.5m |
| 29 |  Mehdi Boukamir | Defender - Centre-Back | Morocco Belgium | Royal Charleroi SC | 2004 | €0.5m |
| 30 |  Sebastian Kosa | Defender - Centre-Back | Slovakia | Real Zaragoza | 2003 | €0.5m |