| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Alexios Kalogeropoulos | Defender - Centre-Back | Greece | Olympiacos Piraeus | 2004 | €1.5m |
| 2 |  Bosun Lawal | Defender - Centre-Back | Ireland Nigeria | Stoke City | 2003 | €1.5m |
| 3 |  Colin Kleine-Bekel | Defender - Centre-Back | Germany | VfL Bochum | 2003 | €1.5m |
| 4 |  Anselmo García MacNulty | Defender - Centre-Back | Ireland Spain | PEC Zwolle | 2003 | €1.5m |
| 5 |  Ariel Mosor | Defender - Centre-Back | Poland | Raków Częstochowa | 2003 | €1.5m |
| 6 |  David Torres | Defender - Centre-Back | Spain | Real Valladolid CF | 2003 | €1.5m |
| 7 |  Luke Chambers | Defender - Centre-Back | England | Liverpool FC U21 | 2004 | €1.5m |
| 8 |  Gabriele Guarino | Defender - Centre-Back | Italy | FC Empoli | 2004 | €1.5m |
| 9 |  Kevin Mantilla | Defender - Centre-Back | Colombia | Independiente Medellín | 2003 | €1.4m |
| 10 |  Lorenzo Lucchesi | Defender - Centre-Back | Italy | AC Monza | 2003 | €1.4m |
| 11 |  Hayden Matthews | Defender - Centre-Back | Australia | Portsmouth FC | 2004 | €1.3m |
| 12 |  Yiğit Efe Demir | Defender - Centre-Back | Türkiye | Fenerbahce | 2004 | €1.3m |
| 13 |  Stefan Leković | Defender - Centre-Back | Serbia | Red Star Belgrade | 2004 | €1.7m |
| 14 |  Gilberto Flores | Defender - Centre-Back | Paraguay | FC Cincinnati | 2003 | €1.3m |
| 15 |  Alexander Busch | Defender - Centre-Back | Denmark | Silkeborg IF | 2003 | €1.2m |
| 16 |  Tanguy Zoukrou | Defender - Centre-Back | France | BSC Young Boys | 2003 | €1.8m |
| 17 |  Samuel Kotto | Defender - Centre-Back | Cameroon | KAA Gent | 2003 | €1.2m |
| 18 |  Gabriel Brás | Defender - Centre-Back | Portugal | FC Porto B | 2004 | €1.2m |
| 19 |  Seydou Sano | Defender - Centre-Back | Senegal | Al-Gharafa SC | 2004 | €1.2m |
| 20 |  Michel Mboula | Defender - Centre-Back | Gabon | FC Metz | 2003 | €1.2m |
| 21 |  Bojan Kovacevic | Defender - Centre-Back | Serbia | Cádiz CF | 2004 | €1.2m |
| 22 |  Michel | Defender - Centre-Back | Brazil | Moreirense FC | 2003 | €1.0m |
| 23 |  Omar Fayed | Defender - Centre-Back | Egypt | FC Arouca | 2003 | €1.0m |
| 24 |  Luke Mbete | Defender - Centre-Back | England DR Congo | Manchester City U21 | 2003 | €1.0m |
| 25 |  Aliou Thiaré | Defender - Centre-Back | Senegal | Dynamo Kyiv | 2003 | €1.0m |
| 26 |  Tchoca | Defender - Centre-Back | Brazil | Sport Club Corinthians Paulista | 2003 | €1.0m |
| 27 |  Sergey Varatynov | Defender - Centre-Back | Russia | Baltika Kaliningrad | 2003 | €1.0m |
| 28 |  Loïc Lüthi | Defender - Centre-Back | Switzerland | FC Winterthur | 2003 | €1.0m |
| 29 |  Kojo Peprah Oppong | Defender - Centre-Back | Ghana | OGC Nice | 2004 | €1.0m |
| 30 |  Lukas Willen | Defender - Centre-Back | Belgium | Zulte Waregem | 2003 | €1.0m |