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| Transfers |
 Torino 5,000,000 < >  Club Brugge |
| SNX | > | Alessandro BUONGIORNO | CB | ITA | 64 | 93 | 06/06/99 (24) | 92 | 1.91 | 80 | Club Brugge | | 16880 | | | | 2 | 0 | 3490 | 0 | +2 | |
 Hamilton 9,000,000 < > Club Brugge |
| CNL | > | Lewis FERGUSON | CM | SCO | 63 | 82 | 24/08/99 (24) | 90 | | | Club Brugge | | 12440 | | | | 0 | 0 | 4455 | 0 | +2 | |
5,000,000 < >  Shakhtar |
| LMI | > | Francisco José Beltran Peinado, FRAN BELTRÁN | CM | ESP | 64 | 80 | 03/02/99 (24) | 91 | 1.67 | 64 | Shakhtar | | 17780 | | | | 0 | 0 | 5145 | 0 | +2 | |
| 5,000,000 < > Shakhtar |
| IMU | < | Danylo SIKAN | CS | UKR | 61 | 97 | 16/04/01 (22) | 91 | 1.85 | 71 | Shakhtar | | 11420 | | | | 0 | 0 | 4875 | 0 | +2 | |
| Celtic 10,000,000 < > Shakhtar |
| CQS | > | Nico ELVEDI | CB/RB | SUI | 65 | 73 | 30/09/96 (27) | 89 | 1.88 | 74 | Shakhtar | 7.00 | 21300 | 1 | | | 0 | 0 | 3395 | 1 | +3 | |
Rangers < > 36,000,000  Paris SG |
| AZO | < | Adam HLOZEK | St | CZE | 63 | 95 | 25/07/02 (21) | 89 | 1.86 | 81 | Rangers | | 15640 | | | | 0 | 0 | 7175 | 0 | +2 | |
| HGY | < | Benjamin SESKO | St | SVN | 62 | 96 | 31/05/03 (20) | 81 | | | Rangers | | 11860 | | | | 0 | 0 | 6795 | 0 | +2 | |
 FC Midtjylland < > Lens |
| FRK | < | LUÍS FABIANO Clemente | CS | BRA | 57/61 | 10 | 08/11/80 (43) | 74 | 1.83 | 81 | FC Midtjylland | | | | | | | | F/t | | | |
| 855,000 < > Deportivo |
| VQC | > | Jan-Carlo SIMIC | CB/DM | SRB | 47 | 80 | 02/05/05 (18) | 88 | | | Deportivo | | 670 | | | | 0 | 0 | 515 | 0 | Y | |
| Livingston < > 740,000 Rangers |
| JWM | < | Robby McCRORIE | Gk | SCO | 52 | 1 | 18/03/98 (25) | 93 | 1.85 | 72 | Livingston | | | | | | | | 645 | | | |
 Kaiserslautern 6,000,000 < > Rangers |
| LLW | > | Ramy BENSEBAINI | LWB | ALG | 66 | 95 | 16/04/95 (28) | 90 | 1.86 | 75 | Rangers | 7.36 | 26220 | | | | 3 | 0 | 3670 | 1 | +2 | |
 Bursaspor 1,500,000 < > SV Werder Bremen |
| ENH | > | Etienne GREEN | Gk | ENG | 54 | 84 | 19/07/00 (23) | 91 | | | SV Werder Bremen | | 3550 | | | | 0 | 0 | 1065 | 0 | +4 | |
Inter 1,800,000 < >  Sporting |
| JLG | > | Kasper SCHMEICHEL | Gk | DEN | 66 | 97 | 05/11/86 (37) | 89 | 1.85 | 76 | Sporting | | 28820 | | | | 2 | 0 | 1305 | 0 | +2 | |
Aberdeen 3,960,000 < >  Feyenoord |
| EEB | > | Bojan MIOVSKI | CS | MKD | 59 | 93 | 24/06/99 (24) | 86 | | | Feyenoord | | 7690 | | | | 0 | 0 | 2890 | 0 | +4 | |
| Livingston 1,500,000 < > Feyenoord |
| KCB | > | Liam KELLY | Gk | SCO | 56 | 71 | 23/01/96 (28) | 90 | 1.89 | 77 | Feyenoord | | 4720 | | | | 0 | 0 | 840 | 0 | +4 | |
| Hibernian 415,000 < > Feyenoord |
| IVQ | > | Reuben McALLISTER | CM | SCO | 39 | 78 | 15/05/06 (17) | 91 | | | Feyenoord | | 200 | | | | 0 | 0 | 245 | 0 | Y | |
| 650,000 < > Auxerre |
| CIY | > | Chrislain MATSIMA | CB | FRA | 54 | 96 | 15/05/02 (21) | 91 | | | Auxerre | | 3380 | | | | 0 | 0 | 1125 | 0 | | |
| 1,280,000 < > Hertha BSC Berlin |
| NGK | > | Kevin AKPOGUMA | CB/RB | NGA | 62 | 97 | 19/04/95 (28) | 89 | 1.92 | 82 | Hertha BSC Berlin | | 12360 | | | | 0 | 0 | 2060 | 0 | +1 | |
| 1.FC Union Berlin 5,560,000 < > Hansa Rostock |
| YTI | > | Julian RYERSON | FB | NOR | 66 | 76 | 17/11/97 (26) | 84 | 1.70 | 70 | Hansa Rostock | | 26420 | | | | 0 | 0 | 4150 | 0 | +1 | |
| Released |
| BZV | 25+ | Caden CLARK | AM | USA | 56 | 0 | 27/05/03 (20) | 89 | 1.80 | 70 | RB Leipzig | | | | | | | | 2450 | | | |
| MSL | 16 | Paul WANNER | AM | GER | 47 | 1 | 23/12/05 (18) | 86 | | | SV Elversberg | | | | | | | | 780 | | | |
| KQA | <20 | Jefferson Antonio MONTERO Vite | LW | ECU | 53/54 | 2 | 01/09/89 (34) | 78 | 1.69 | 64 | Aucas | | | | | | | | 155 | | | |
| HRG | 16 | RENAN Victor da Silva | CB/LB | BRA | 58/59 | 6 | 19/05/02 (21) | 78 | 1.84 | 69 | Birmingham City | | | | | | | | 2350 | | | |
| AIH | <25 | Erik DURM | WB | GER | 57 | 2 | 12/05/92 (31) | 86 | 1.83 | 73 | (retired) | | | | | | | | 755 | | | |
| Loan callbacks |
| NQH | 1 | Cihan ÇANAK | AM/W | TUR | 56 | 91 | 24/01/05 (19) | 89 | 1.75 | 65 | SC Heerenveen | | 2350 | | | | 1 | 0 | 2665 | 0 | Y | |
