| 1 |  Jun-ho Bae | Midfield - Attacking Midfield | Korea, South | Stoke City | 2003 | €3.0m |
| 2 |  Andrew Moran | Midfield - Attacking Midfield | Ireland | Los Angeles FC | 2003 | €3.5m |
| 3 |  Alfie Devine | Midfield - Attacking Midfield | England | Preston North End | 2004 | €3.5m |
| 4 |  Isa Sakamoto | Midfield - Attacking Midfield | Japan | KVC Westerlo | 2003 | €2.5m |
| 5 |  Oleg Ocheretko | Midfield - Attacking Midfield | Ukraine | Shakhtar Donetsk | 2003 | €2.5m |
| 6 |  Hugo Félix | Midfield - Attacking Midfield | Portugal | SL Benfica B | 2004 | €2.5m |
| 7 |  Kristian Hlynsson | Midfield - Attacking Midfield | Iceland | Twente Enschede FC | 2004 | €4.0m |
| 8 |  Kuryu Matsuki | Midfield - Attacking Midfield | Japan | Southampton FC | 2003 | €2.4m |
| 9 |  Samuele Vignato | Midfield - Attacking Midfield | Italy Brazil | HNK Rijeka | 2004 | €2.2m |
| 10 |  Kacper Kozlowski | Midfield - Attacking Midfield | Poland | Gaziantep FK | 2003 | €4.2m |
| 11 |  Victor Hugo | Midfield - Attacking Midfield | Brazil | Santos FC | 2004 | €4.2m |
| 12 |  Tomasz Pienko | Midfield - Attacking Midfield | Poland | Raków Częstochowa | 2004 | €2.0m |
| 13 |  Levi Smans | Midfield - Attacking Midfield | Netherlands | SC Heerenveen | 2003 | €2.0m |
| 14 |  Mario Sauer | Midfield - Attacking Midfield | Slovakia | FC Toulouse | 2004 | €2.0m |
| 15 |  Yan Phillipe | Midfield - Attacking Midfield | Brazil | Atlético de San Luis | 2004 | €2.0m |
| 16 |  Danila Kozlov | Midfield - Attacking Midfield | Russia | FC Krasnodar | 2005 | €2.0m |
| 17 |  George Earthy | Midfield - Attacking Midfield | England | West Ham United | 2004 | €2.0m |
| 18 |  Javier Ruiz | Midfield - Attacking Midfield | Argentina | CA Barracas Central | 2004 | €2.0m |
| 19 |  Vasconcelos | Midfield - Attacking Midfield | Portugal | SC Braga B | 2005 | €2.0m |
| 20 |  Baltasar Rodríguez | Midfield - Attacking Midfield | Argentina | Inter Miami CF | 2003 | €4.5m |
| 21 |  Jonas Therkelsen | Midfield - Attacking Midfield | Norway | Holstein Kiel | 2003 | €1.8m |
| 22 |  Caden Clark | Midfield - Attacking Midfield | United States | D.C. United | 2003 | €1.8m |
| 23 |  Rareș Ilie | Midfield - Attacking Midfield | Romania | FC Empoli | 2003 | €1.8m |
| 24 |  Laurin Ulrich | Midfield - Attacking Midfield | Germany | 1.FC Magdeburg | 2005 | €1.7m |
| 25 |  Jackson Hopkins | Midfield - Attacking Midfield | United States | D.C. United | 2004 | €1.5m |
| 26 |  Jakob Napoleon Romsaas | Midfield - Attacking Midfield | Norway | Royal Charleroi SC | 2004 | €1.5m |
| 27 |  Chuki | Midfield - Attacking Midfield | Spain | Real Valladolid CF | 2004 | €1.5m |
| 28 |  Eggert Aron Gudmundsson | Midfield - Attacking Midfield | Iceland | SK Brann | 2004 | €1.5m |
| 29 |  Ayanda Sishuba | Midfield - Attacking Midfield | Belgium France | Montpellier HSC | 2005 | €1.5m |
| 30 |  Harvey Vale | Midfield - Attacking Midfield | England Ireland | Queens Park Rangers | 2003 | €1.5m |