| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Stelios Andreou | Defender - Centre-Back | Cyprus Belgium | Widzew Lodz | 2002 | €3.5m |
| 2 |  Seid Korac | Defender - Centre-Back | Luxembourg Serbia | Venezia FC | 2001 | €3.5m |
| 3 |  Mauro Perkovic | Defender - Centre-Back | Croatia | Cracovia | 2003 | €3.5m |
| 4 |  Emin Bayram | Defender - Centre-Back | Türkiye | KVC Westerlo | 2003 | €3.5m |
| 5 |  Ibe Hautekiet | Defender - Centre-Back | Belgium | Standard Liège | 2002 | €3.5m |
| 6 |  Joël Schingtienne | Defender - Centre-Back | Belgium DR Congo | Venezia FC | 2002 | €3.5m |
| 7 |  Tobias Guddal | Defender - Centre-Back | Norway | Tromsø IL | 2002 | €3.2m |
| 8 |  Ronnie Edwards | Defender - Centre-Back | England | Southampton FC | 2003 | €3.8m |
| 9 |  Kévin Boma | Defender - Centre-Back | Togo France | GD Estoril Praia | 2002 | €4.0m |
| 10 |  Tomás Palacios | Defender - Centre-Back | Argentina | Inter Milan | 2003 | €4.0m |
| 11 |  Raúl Torrente | Defender - Centre-Back | Spain | GNK Dinamo Zagreb | 2001 | €4.0m |
| 12 |  Chico Lamba | Defender - Centre-Back | Portugal Guinea-Bissau | AS Saint-Étienne | 2003 | €3.0m |
| 13 |  Jamil Siebert | Defender - Centre-Back | Germany | US Lecce | 2002 | €4.0m |
| 14 |  Abdoulaye Ndiaye | Defender - Centre-Back | Senegal | Parma Calcio 1913 | 2002 | €4.0m |
| 15 |  Renan | Defender - Centre-Back | Brazil United Arab Emirates | Shabab Al-Ahli Club | 2002 | €3.0m |
| 16 |  José Marsà | Defender - Centre-Back | Spain | KV Mechelen | 2002 | €3.0m |
| 17 |  Federico Bonini | Defender - Centre-Back | Italy | UD Almería | 2001 | €4.0m |
| 18 |  James Hill | Defender - Centre-Back | England | AFC Bournemouth | 2002 | €3.0m |
| 19 |  Gustavo Martins | Defender - Centre-Back | Brazil | Grêmio Foot-Ball Porto Alegrense | 2002 | €3.0m |
| 20 |  Bamo Meïté | Defender - Centre-Back | Cote d'Ivoire France | FC Lorient | 2001 | €4.0m |
| 21 |  Santiago Mouriño | Defender - Centre-Back | Uruguay Spain | Villarreal CF | 2002 | €3.0m |
| 22 |  Giovanni Bonfanti | Defender - Centre-Back | Italy | Pisa Sporting Club | 2003 | €3.0m |
| 23 |  Bruno Amione | Defender - Centre-Back | Argentina Italy | Santos Laguna | 2002 | €2.8m |
| 24 |  Eduardo Águila | Defender - Centre-Back | Mexico | Atlético de San Luis | 2002 | €2.5m |
| 25 |  Alex Douglas | Defender - Centre-Back | Sweden Ghana | Lech Poznan | 2001 | €2.5m |
| 26 |  Gastón Ávila | Defender - Centre-Back | Argentina | Fortaleza Esporte Clube | 2001 | €2.5m |
| 27 |  Rein Van Helden | Defender - Centre-Back | Belgium | Sint-Truidense VV | 2002 | €2.5m |
| 28 |  Henrik Falchener | Defender - Centre-Back | Norway | Viking FK | 2003 | €2.5m |
| 29 |  Valentin Paltsev | Defender - Centre-Back | Russia | FC Krasnodar | 2001 | €2.5m |
| 30 |  Max Bruns | Defender - Centre-Back | Netherlands | Twente Enschede FC | 2002 | €2.5m |