| 1 |  Hamzat Ojediran | Midfield - Defensive Midfield | Nigeria | RC Lens | 2003 | €1.8m |
| 2 |  Étienne Camara | Midfield - Defensive Midfield | France Guinea | Royal Charleroi SC | 2003 | €1.8m |
| 3 |  Mateusz Kowalczyk | Midfield - Defensive Midfield | Poland | GKS Katowice | 2004 | €1.5m |
| 4 |  Mario Martín | Midfield - Defensive Midfield | Spain | Getafe CF | 2004 | €1.5m |
| 5 |  Patrick | Midfield - Defensive Midfield | Brazil | Clube Atlético Mineiro | 2004 | €1.5m |
| 6 |  Maruis Tresor Doh | Midfield - Defensive Midfield | Cote d'Ivoire | Fatih Karagümrük | 2003 | €1.5m |
| 7 |  Mattes Hansen | Midfield - Defensive Midfield | Germany | SC Paderborn 07 | 2004 | €1.5m |
| 8 |  Marko Soldo | Midfield - Defensive Midfield | Croatia Bosnia-Herzegovina | GNK Dinamo Zagreb | 2003 | €1.5m |
| 9 |  Freddie Potts | Midfield - Defensive Midfield | England | West Ham United | 2003 | €1.4m |
| 10 |  Ryan | Midfield - Defensive Midfield | Brazil | Sport Club Corinthians Paulista | 2003 | €2.0m |
| 11 |  Soumaïla Diabaté | Midfield - Defensive Midfield | Mali | Red Bull Salzburg | 2004 | €2.0m |
| 12 |  Daniel Edelman | Midfield - Defensive Midfield | United States | New York Red Bulls | 2003 | €2.0m |
| 13 |  Luka Hyryläinen | Midfield - Defensive Midfield | Finland | 1.FC Magdeburg | 2004 | €2.0m |
| 14 |  Arthur Piedfort | Midfield - Defensive Midfield | Belgium | KVC Westerlo | 2005 | €2.0m |
| 15 |  Timothy Ouma | Midfield - Defensive Midfield | Kenya | Lech Poznan | 2004 | €2.0m |
| 16 |  Patrickson Delgado | Midfield - Defensive Midfield | Ecuador | FC Dallas | 2003 | €2.0m |
| 17 |  Mateo Tanlongo | Midfield - Defensive Midfield | Argentina Italy | Sporting CP B | 2003 | €1.3m |
| 18 |  Kasper Davidsen | Midfield - Defensive Midfield | Denmark | Holstein Kiel | 2005 | €1.3m |
| 19 |  Rafael Luís | Midfield - Defensive Midfield | Portugal | RC Strasbourg Alsace | 2005 | €1.2m |
| 20 |  Salih Malkoçoğlu | Midfield - Defensive Midfield | Türkiye | Trabzonspor | 2005 | €1.2m |
| 21 |  Noé Lebreton | Midfield - Defensive Midfield | France Senegal | NEC Nijmegen | 2004 | €1.2m |
| 22 |  Miguel Chaiwa | Midfield - Defensive Midfield | Zambia | Hibernian FC | 2004 | €1.2m |
| 23 |  Joaquín Mosqueira | Midfield - Defensive Midfield | Argentina Italy | CA Talleres | 2004 | €2.2m |
| 24 |  Mahamadou Susoho | Midfield - Defensive Midfield | Spain England | Livingston FC | 2005 | €1.2m |
| 25 |  Danny Leyva | Midfield - Defensive Midfield | United States | Seattle Sounders FC | 2003 | €1.2m |
| 26 |  Salvador Mariscal | Midfield - Defensive Midfield | Mexico | Santos Laguna | 2003 | €1.2m |
| 27 |  Santiago Homenchenko | Midfield - Defensive Midfield | Uruguay | Querétaro FC | 2003 | €1.0m |
| 28 |  Giacomo Faticanti | Midfield - Defensive Midfield | Italy | Juventus Next Gen | 2004 | €1.0m |
| 29 |  Domingos Andrade | Midfield - Defensive Midfield | Angola | FC Porto B | 2003 | €1.0m |
| 30 |  David Martínez | Midfield - Defensive Midfield | Argentina | Volos NPS | 2004 | €1.0m |