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| Transfers |
 Toulouse 7,500,000 < >  FC Schalke 04 |
| LIV | > | Farčs CHAĎBI | LW/AM | ALG | 63 | 74 | 28/11/02 (22) | 95 | 1.83 | 79 | FC Schalke 04 | | 13340 | | | | 0 | 0 | 5580 | 3 | +4 | |
| Nice 3,000,000 < > FC Schalke 04 |
| ASM | > | Reda BELAHYANE | DM/CM | MAR | 58 | 87 | 01/06/04 (20) | 93 | | | FC Schalke 04 | | 6080 | | | | 0 | 0 | 2225 | 0 | +1 | |
 Sanfrecce Hirosh. < > 1,100,000 FC Schalke 04 |
| UCB | < | Kenan KARAMAN | CS | TUR | 57 | 6 | 05/03/94 (30) | 95 | 1.89 | 78 | Sanfrecce Hirosh. | | | | | | | | 1435 | | | |
| Saint-Étienne 3,000,000 < > Paris SG |
| UDO | > | Mathis AMOUGOU | CM/AM | FRA | 54 | 98 | 18/01/06 (19) | 88 | 1.77 | 65 | Paris SG | | 1790 | | | | 0 | 0 | 1995 | 0 | Y | |
Lens 5,000,000 < >  Sporting |
| ELO | < | PAU LÓPEZ Sabata | Gk | ESP | 63 | 93 | 13/12/94 (30) | 91 | 1.89 | 77 | Lens | 6.88 | 21500 | | | | 2 | 0 | 2845 | 0 | +1 | |
| UPL | > | Gregor KOBEL | Gk | SUI | 66 | 99 | 06/12/97 (27) | 93 | 1.94 | 90 | Sporting | 7.00 | 28620 | | | | 0 | 0 | 4100 | 0 | +4 | |
| 3,000,000 < > Sporting |
| HXC | > | Raúl ASENCIO del Rosario | CB | ESP | 59 | 75 | 13/02/03 (22) | 80 | 1.83 | 79 | Sporting | | 8400 | | | | 0 | 0 | 2350 | 0 | +4 | |
 Olympiakos < > 5,360,000 Kaiserslautern |
| GLQ | < | Andrea COLPANI | AM/RW | ITA | 64 | 0 | 11/05/99 (25) | 90 | | | Olympiakos | | | 8 | | | | | 4875 | | | |
| Girona 3,000,000 < > Kaiserslautern |
| SWA | > | MIGUEL Gutiérrez Ortega | LB/CB | ESP | 64 | 80 | 27/07/01 (23) | 86 | 1.80 | 73 | Kaiserslautern | | 18080 | | | | 0 | 0 | 3925 | 0 | +3 | |
| ANT | < | Lilian BRASSIER | CB/LB | FRA | 64 | 8 | 02/11/99 (25) | 89 | 1.82 | 69 | Girona | | | | | | | | 3305 | | | |
| Valencia Mestalla 20,000,000 < > Benfica |
| EQB | > | Jonathan DAVID | St | CAN | 66 | 97 | 14/01/00 (25) | 95 | 1.77 | 73 | Benfica | | 29120 | | | | 0 | 0 | 7580 | 0 | +4 | |
 Liverpool < > Manchester United |
| PMX | < | Jonny HOWSON | CM/RM | ENG | 56 | 76 | 21/05/88 (36) | 92 | 1.80 | 76 | Liverpool | 6.93 | 5250 | | | | 3 | 1 | F/t | 1 | +1 | |
| 785,000 < > Sampdoria |
| GQN | > | Stefano SABELLI | RWB | ITA | 62 | 83 | 13/01/93 (32) | 96 | 1.80 | 74 | Sampdoria | | 11860 | | | | 0 | 0 | 1265 | 0 | +1 | |
| Villarreal 4,625,000 < > Leeds United |
| WHS | > | Filip JÖRGENSEN | Gk | DEN | 62 | 89 | 16/04/02 (22) | 85 | | | Leeds United | | 10260 | | | | 0 | 0 | 3645 | 0 | +1 | |
| Sporting Braga 4,675,000 < > Sevilla |
| FRY | > | Alejandro REMIRO Gargallo | Gk | ESP | 66 | 96 | 24/03/95 (29) | 91 | 1.91 | 82 | Sevilla | | 24120 | | | | 0 | 0 | 3465 | 0 | +1 | |
| Loan/transfer listed |
| HHC | - | Stefan BAJCETIC | DM/CM | ESP | 54 | 92 | 22/10/04 (20) | 88 | 1.85 | 77 | Anderlecht | | 1830 | 22 | | T | 0 | 0 | 1240 | 0 | Y | |
| INO | - | Amario COZIER-DUBERRY | LW/AM | ENG | 41/45 | 94 | 29/05/05 (19) | 71 | | | Anderlecht | | 140 | | | T | 0 | 0 | 525 | 0 | Y | |
| NGH | - | Luca DI MAGGIO | CM/AM | ITA | 38 | 95 | 31/03/05 (19) | 86 | | | Anderlecht | | 170 | | | T | 0 | 0 | 155 | 0 | Y | |
| WXM | - | Jordan TEZE | RB/CB | NED | 63 | 95 | 30/09/99 (25) | 86 | 1.83 | 68 | Anderlecht | | 14440 | | | T | 2 | 0 | 2865 | 0 | +5 | |
| HNX | - | Samuel ILING-JUNIOR | LW | ENG | 59 | 94 | 04/10/03 (21) | 82 | | | Lille | | 4030 | | | T | 0 | 0 | 3455 | 0 | Y | |
| UKD | - | Aaron RAMSDALE | Gk | ENG | 64 | 94 | 14/05/98 (26) | 90 | 1.88 | 77 | Sporting | | 17880 | | | T | 0 | 0 | 3440 | 0 | +4 | |
| Loan callbacks |
| MPP | <20 | YASIN Özcan | CB | TUR | 55/59 | 94 | 20/04/06 (18) | 74 | | | SC Heerenveen | | 3760 | | | | 0 | 0 | 3020 | 0 | Y | |
| MSL | 25+ | Paul WANNER | AM | GER | 59/60 | 88 | 23/12/05 (19) | 78 | 1.85 | 75 | Newcastle United | | 2100 | | | | 0 | 0 | 4750 | 0 | Y | |
| TMI | 25+ | Chris RIGG | CM | ENG | 52/57 | 95 | 18/06/07 (17) | 71 | | | Newcastle United | | 1250 | | | | 0 | 0 | 3590 | 0 | Y | |
| FSL | <15 | George ILENIKHENA | CS | FRA | 59/60 | 95 | 16/08/06 (18) | 79 | 1.85 | 76 | SC Heerenveen | | 3720 | | | | 0 | 0 | 5985 | 0 | Y | |
