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| Transfers |
 Manchester City 40,000,000 < >  Lille |
| BRY | > | Ibrahima KONATÉ | CB | FRA | 66 | 96 | 25/05/99 (25) | 95 | 1.92 | 84 | Lille | 6.54 | 25720 | | | | 3 | 0 | 4390 | 0 | +4 | |
| AYZ | < | Krépin DIATTA | W | SEN | 63 | 95 | 25/02/99 (25) | 90 | 1.73 | 68 | Manchester City | 6.64 | 14940 | | | | 4 | 1 | 4215 | 6 | | |
 Shakhtar 45,000,000 < > Lille |
| ILR | > | Alejandro Grimaldo García, ALEX GRIMALDO | LWB | ESP | 67 | 92 | 20/09/95 (28) | 86 | 1.70 | 72 | Lille | 7.29 | 33160 | | | | 2 | 1 | 4230 | 1 | +4 | |
 FSV Mainz 05 38,000,000 < > Lille |
| ATC | > | Jean-Philippe MATETA | CS | FRA | 64 | 81 | 28/06/97 (26) | 94 | 1.92 | 82 | Lille | | 18880 | | | | 0 | 0 | 5360 | 0 | +4 | |
| CIB | < | Mohamed CAMARA | DM/CM | MLI | 63 | 2 | 06/01/00 (24) | 93 | 1.69 | 65 | FSV Mainz 05 | | | | | | | | 3025 | | | |
Burnley < > 6,430,000  Anderlecht |
| JJD | < | Jesper LINDSTRŘM | AM/W | DEN | 63/64 | 14 | 29/02/00 (24) | 78 | 1.81 | 63 | Burnley | | | | | | | | 5145 | | | |
 Independiente 500,000 < > Anderlecht |
| MHK | > | Lucas MARTÍNEZ QUARTA | CB | ARG | 65 | 97 | 10/05/96 (28) | 95 | 1.81 | 75 | Anderlecht | 6.42 | 19900 | | | | 1 | 0 | 3185 | 2 | +4 | |
| FFG | < | Aster VRANCKX | CM | BEL | 62 | 90 | 04/10/02 (21) | 84 | 1.83 | 78 | Independiente | | 11060 | | | | 0 | 0 | 5325 | 0 | | |
1,400,000 < >  AIK |
| WJH | > | Emil HOLM | RB/RM | SWE | 61 | 78 | 13/05/00 (24) | 91 | | | AIK | | 9780 | | | | 0 | 0 | 2265 | 0 | | |
| 500,000 < > AIK |
| NZE | > | Mats 'Johan' BĹNGSBO | CB | SWE | 52 | 83 | 10/02/03 (21) | 93 | 1.91 | 92 | AIK | | 2200 | | | | 0 | 0 | 830 | 0 | | |
| 1,100,000 < > Osasuna |
| UMT | < | DIEGO Moreno Garbayo | RB | ESP | 58 | 72 | 21/06/01 (22) | 88 | | | Osasuna | | 6190 | | | | 0 | 0 | 1840 | 0 | | |
| 2,400,000 < > Bayern München |
| SPK | > | GENY Cipriano CATAMO | RW/RWB | MOZ | 60 | 96 | 26/01/01 (23) | 95 | 1.72 | 62 | Bayern München | | 8460 | | | | 0 | 0 | 3245 | 0 | | |
| 2,500,000 < > Bayern München |
| GZA | > | Jan-Niklas BESTE | LW | GER | 62 | 96 | 04/01/99 (25) | 91 | 1.74 | 64 | Bayern München | | 11260 | | | | 0 | 0 | 3645 | 0 | | |
| 2,000,000 < > Bayern München |
| IFF | > | Can BOZDOGAN | CM | GER | 60 | 87 | 05/04/01 (23) | 88 | | | Bayern München | | 8880 | | | | 0 | 0 | 3245 | 0 | | |
| Released |
| OIS | 25+ | Patrick EBERT | W | GER | 52 | 7 | 17/03/87 (37) | 95 | 1.72 | 68 | E. Braunschweig | | | | | | | | F/t | | | |
| IOH | 16 | Joe HART | Gk | ENG | 64 | 0 | 19/04/87 (37) | 95 | 1.90 | 83 | Hibernian | | | | | | | | 960 | | | |
| Loan callbacks |
| MEU | 25+ | Archie GRAY | CM/RB | ENG | 56/57 | 90 | 12/03/06 (18) | 78 | | | SC Heerenveen | | 2200 | | | | 0 | 0 | 3335 | 0 | Y | |
| CPL | - | Charles DE KETELAERE | CS/AM | BEL | 63/64 | 93 | 10/03/01 (23) | 78 | 1.92 | 83 | Lazio | | 15040 | | | | 0 | 0 | 6755 | 6 | +3 | |
| HSG | <20 | Adam WHARTON | CM | ENG | 55/62 | 96 | 02/06/04 (20) | 68 | 1.82 | 76 | SC Heerenveen | | 1920 | | | | 0 | 0 | 5825 | 0 | Y | |
| TRD | - | Antoine MENDY | CB | FRA | 53/55 | 97 | 27/05/04 (20) | 76 | 1.87 | 75 | IFK Göteborg | | 2020 | | | | 0 | 0 | 1435 | 0 | Y | |
