| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Óscar Mazatán | Defender - Centre-Back | Mexico | Mineros de Zacatecas | 2002 | €0.6m |
| 2 |  Yakup Kırtay | Defender - Centre-Back | Türkiye | Erzurumspor FK | 2003 | €0.6m |
| 3 |  Mladen Cvjetinovic | Defender - Centre-Back | Bosnia-Herzegovina Germany | Holstein Kiel | 2003 | €0.6m |
| 4 |  Marvel | Defender - Centre-Back | Spain Nigeria | CD Leganés | 2003 | €0.5m |
| 5 |  Mehdi Boukamir | Defender - Centre-Back | Morocco Belgium | Royal Charleroi SC | 2004 | €0.5m |
| 6 |  David López | Defender - Centre-Back | Spain | RCD Mallorca | 2003 | €0.5m |
| 7 |  Yannik Lührs | Defender - Centre-Back | Germany | TSG 1899 Hoffenheim II | 2003 | €0.6m |
| 8 |  Jesús Alcántar | Defender - Centre-Back | Mexico | Club Necaxa | 2003 | €0.5m |
| 9 |  Ahmed Sidibé | Defender - Centre-Back | France | Venezia FC | 2002 | €0.5m |
| 10 |  Clinton Nsiala | Defender - Centre-Back | France DR Congo | Rangers FC | 2004 | €0.5m |
| 11 |  Jack Milne | Defender - Centre-Back | Scotland | Aberdeen FC | 2003 | €0.6m |
| 12 |  Julien Lomboto | Defender - Centre-Back | France DR Congo | Rio Ave FC | 2002 | €0.5m |
| 13 |  Ibane Bowat | Defender - Centre-Back | Scotland France | Portsmouth FC | 2002 | €0.6m |
| 14 |  Mauricio Willimann | Defender - Centre-Back | Mexico Switzerland | FC Luzern | 2003 | €0.5m |
| 15 |  Luizão | Defender - Centre-Back | Brazil | Without Club | 2002 | €0.6m |
| 16 |  Unai Egiluz | Defender - Centre-Back | Spain | Athletic Bilbao | 2002 | €0.6m |
| 17 |  Bryan Okoh | Defender - Centre-Back | Switzerland United States | FC Lausanne-Sport | 2003 | €0.5m |
| 18 |  Ryley Towler | Defender - Centre-Back | England | Lincoln City | 2002 | €0.5m |
| 19 |  Artemijus Tutyskinas | Defender - Centre-Back | Lithuania | NK Celje | 2003 | €0.6m |
| 20 |  Maksim Paskotsi | Defender - Centre-Back | Estonia | KAA Gent | 2003 | €0.5m |
| 21 |  Billy Koumetio | Defender - Centre-Back | France Cameroon | Dundee FC | 2002 | €0.5m |
| 22 |  Sebastian Kosa | Defender - Centre-Back | Slovakia | Real Zaragoza | 2003 | €0.5m |
| 23 |  Stan Henderikx | Defender - Centre-Back | Netherlands | Excelsior Rotterdam | 2003 | €0.5m |
| 24 |  Will Fish | Defender - Centre-Back | England | Cardiff City | 2003 | €0.6m |
| 25 |  Cleiton | Defender - Centre-Back | Brazil | CR Flamengo | 2003 | €0.6m |
| 26 |  Atanas Chernev | Defender - Centre-Back | Bulgaria | CF Estrela Amadora | 2002 | €0.5m |
| 27 |  Maas Willemsen | Defender - Centre-Back | Netherlands | SC Heerenveen | 2003 | €0.5m |
| 28 |  Luisão | Defender - Centre-Back | Brazil | Santos FC | 2003 | €0.5m |
| 29 |  Rick Meissen | Defender - Centre-Back | Netherlands | Excelsior Rotterdam | 2002 | €0.5m |
| 30 |  Rune Paeshuyse | Defender - Centre-Back | Belgium | KAS Eupen | 2002 | €0.6m |