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| Transfers |
 Deportivo < > 15,000,000  Lens |
| ACT | > | Yunus Dimoara MUSAH | CM/RM | USA | 64 | 90 | 29/11/02 (21) | 80 | 1.78 | 75 | Lens | | 17480 | | | | 0 | 0 | 7090 | 0 | | |
| MHL | > | Paulo Bruno DYBALA | St | ARG | 67 | 83 | 15/11/93 (30) | 95 | 1.80 | 72 | Lens | 6.39 | 35160 | | | | 2 | 0 | 6335 | 4 | | |
| OCU | > | Oleksandr ZINCHENKO | CM/LWB | UKR | 67 | 94 | 15/12/96 (27) | 90 | 1.75 | 64 | Lens | | 32560 | | | | 0 | 0 | 6655 | 2 | +1 | |
| UPL | > | Gregor KOBEL | Gk | SUI | 66 | 99 | 06/12/97 (26) | 82 | 1.94 | 90 | Lens | | 28620 | | | | 0 | 0 | 4545 | 0 | +1 | |
| VPA | < | Kylian MBAPPÉ Lottin | St | FRA | 73 | 97 | 20/12/98 (25) | 90 | 1.78 | 67 | Deportivo | 6.75 | 65000 | | | | 3 | 1 | 20270 | 6 | +4 | |
| WLH | > | Jéremy DOKU | W/AM | BEL | 62/64 | 96 | 27/05/02 (21) | 77 | 1.71 | 61 | Deportivo | | 19180 | | | | 2 | 0 | 7090 | 0 | +4 | (t.36, Lens) |
| Chicago Fire 2,000,000 < > Lens |
| MJV | > | Przemyslaw FRANKOWSKI | RWB/RW | POL | 65 | 91 | 12/04/95 (28) | 90 | 1.75 | 68 | Lens | | 22600 | | | | 0 | 0 | 3185 | 0 | +1 | |
| FSC | < | Panagiotis RETSOS | CB/FB | GRE | 58 | 10 | 09/08/98 (25) | 86 | 1.86 | 76 | Chicago Fire | | | | | | | | 1375 | | | |
| RID | < | Ewoud PLETINCKX | CB | BEL | 58 | 11 | 10/10/00 (23) | 81 | 1.89 | 87 | Chicago Fire | | | | | | | | 1645 | | | |
| Rennes 10,000,000 < > Lens |
| XJP | > | Andy DIOUF | CM | FRA | 62 | 98 | 17/05/03 (20) | 94 | 1.87 | 82 | Lens | | 6580 | | | | 0 | 0 | 5825 | 0 | Y | |
| JFT | < | ROBERTO FIRMINO Barbosa de Oliveira | CS | BRA | 64 | 1 | 02/10/91 (32) | 89 | 1.81 | 75 | Rennes | | | | | | | | 2935 | | | |
| VWK | > | Adrien TRUFFERT | LWB | FRA | 64 | 99 | 20/11/01 (22) | 88 | 1.73 | 61 | Lens | | 18880 | | | | 0 | 0 | 4355 | 0 | +2 | |
| NMQ | < | Leander DENDONCKER | DM/CB | BEL | 63 | 0 | 15/04/95 (28) | 95 | 1.88 | 79 | Rennes | | | | | | | | 2385 | | | |
LA Galaxy < >  SC Heerenveen |
| YEQ | < | Lewis MILEY | CM | ENG | 53/60 | 93 | 01/05/06 (17) | 69 | | | SC Heerenveen | | 150 | | | | 0 | 0 | 5515 | 0 | Y | (t.36, LA Galaxy) |
| Willem II < > 1,590,000 SC Heerenveen |
| EKG | < | Jerry ST JUSTE | RB/CB | NED | 61 | 12 | 19/10/96 (27) | 94 | 1.82 | 70 | Willem II | | | | | | | | 1900 | | | |
 Udinese 6,000,000 < > SC Heerenveen |
| QHQ | > | Amir RRAHMANI | CB | KOS | 67 | 78 | 24/02/94 (30) | 89 | 1.92 | 83 | SC Heerenveen | 7.21 | 31260 | | | | 2 | 0 | 3685 | 2 | +2 | |
1,750,000 < >  IFK Göteborg |
| DFT | > | Caoimhin KELLEHER | Gk | IRL | 60 | 97 | 23/11/98 (25) | 90 | 1.88 | 75 | IFK Göteborg | | 9280 | | | | 0 | 0 | 2145 | 0 | +4 | |
| Reims B 7,000,000 < > Lazio |
| MMO | > | Hugo EKITIKÉ | St | FRA | 62 | 66 | 20/06/02 (21) | 86 | 1.89 | 75 | Lazio | | 12760 | | | | 0 | 0 | 6215 | 0 | +4 | |
| XLF | < | Marco VERRATTI | CM | ITA | 63 | 4 | 05/11/92 (31) | 94 | 1.65 | 60 | Reims B | | | | | | | | 2810 | | | |
| Antwerp < > Lazio |
| CPL | < | Charles DE KETELAERE | CS/AM | BEL | 64 | 94 | 10/03/01 (22) | 80 | 1.92 | 83 | Lazio | | 15040 | | | | 0 | 0 | 7515 | 0 | +3 | (t.30, Antwerp) |
| Antwerp 7,000,000 < > Deportivo |
| QMH | > | Arthur VERMEEREN | DM | BEL | 61 | 75 | 07/02/05 (19) | 94 | 1.76 | 70 | Deportivo | | 5370 | | | | 0 | 0 | 3715 | 0 | Y | |
 Brřndby 9,500,000 < > Arsenal |
| EYF | > | Amadou ONANA | CM | BEL | 64 | 82 | 16/08/01 (22) | 94 | 1.93 | 76 | Arsenal | | 17180 | | | | 0 | 0 | 6440 | 0 | +4 | |
 Olimpia < > Arsenal |
| QGD | < | Facundo Valentín BUONANOTTE | AM/W | ARG | 61 | 94 | 23/12/04 (19) | 87 | 1.74 | 66 | Arsenal | | 4700 | | | | 0 | 0 | 5480 | 0 | Y | (t.36, Olimpia) |
| Monaco 10,000,000 < > Lille |
| OJY | > | Wissam BEN YEDDER | CS | FRA | 66 | 95 | 12/08/90 (33) | 94 | 1.70 | 68 | Lille | 6.93 | 25520 | | | | 2 | 1 | 2830 | 5 | +4 | |
| FTW | < | Dani DE WIT | CM/AM | NED | 63 | 95 | 28/01/98 (26) | 89 | 1.83 | 75 | Monaco | 6.90 | 13340 | | | | 1 | 1 | 3980 | 0 | | |
| CIB | > | Mohamed CAMARA | DM/CM | MLI | 63 | 97 | 06/01/00 (24) | 94 | 1.69 | 65 | Lille | 6.77 | 15840 | | | | 1 | 0 | 3025 | 0 | +4 | |
| CNB | < | Mohamed BAYO | CS | GUI | 62 | 96 | 04/06/98 (25) | 94 | 1.88 | 76 | Monaco | 6.33 | 12660 | | | | 4 | 0 | 4245 | 0 | | |
| AYZ | > | Krépin DIATTA | W | SEN | 63 | 95 | 25/02/99 (25) | 90 | 1.73 | 68 | Lille | 6.27 | 13940 | | | | 3 | 1 | 4215 | 3 | +4 | |
| Charlton Athletic 3,300,000 < > Lille |
| VYV | > | Nick POPE | Gk | ENG | 66 | 89 | 19/04/92 (31) | 91 | 1.90 | 75 | Lille | | 27520 | | | | 0 | 0 | 3085 | 0 | +4 | |
| KSZ | < | Leonardo Cesar Jardim, LÉO | Gk | BRA | 60 | 5 | 20/03/95 (28) | 87 | 1.88 | 74 | Charlton Athletic | | | | | | | | 1545 | | | |
| Chelsea 13,000,000 < > Lille |
| KFJ | > | Ruben LOFTUS-CHEEK | CM | ENG | 64 | 99 | 23/01/96 (28) | 94 | 1.93 | 72 | Lille | 6.46 | 17080 | | | | 3 | 1 | 4060 | 0 | +4 | |
| QXC | < | Ivo GRBIC | Gk | CRO | 61 | 98 | 18/01/96 (28) | 91 | 1.95 | 83 | Chelsea | 6.86 | 10420 | | | | 1 | 0 | 1790 | 0 | | |
| MEZ | > | Jonathan BAMBA | W | CIV | 64 | 97 | 26/03/96 (27) | 91 | 1.73 | 67 | Lille | 7.00 | 15280 | | 1 | | 5 | 0 | 4330 | 4 | +4 | |
| ANY | < | Benjamin ANDRÉ | DM/CM | FRA | 64 | 96 | 03/08/90 (33) | 92 | 1.77 | 68 | Chelsea | 7.32 | 17480 | | | | 3 | 0 | 1220 | 1 | | |
| GMG | > | Lukás HRÁDECKÝ | Gk | FIN | 66 | 98 | 24/11/89 (34) | 86 | 1.90 | 80 | Lille | 7.00 | 27520 | | | | 0 | 0 | 2525 | 0 | +4 | |
| Hajduk Split < > 2,510,000 Anderlecht |
| TMO | < | Yassine BOUNOU | Gk | MAR | 65 | 2 | 05/04/91 (32) | 85 | 1.88 | 70 | Hajduk Split | | | | | | | | 2515 | | | |
| 1,500,000 < > Parma |
| DRA | > | Oumar SOLET Bomawoko | CB/DM | FRA | 61 | 87 | 07/02/00 (24) | 89 | 1.92 | 81 | Parma | | 9870 | | | | 0 | 0 | 2265 | 0 | | |
| 1,100,000 < > Parma |
| QQM | > | Jake O'BRIEN | CB | IRL | 58 | 83 | 15/05/01 (22) | 91 | | | Parma | | 6340 | | | | 0 | 0 | 1840 | 0 | | |
2,695,000 < >  Karlsruher SC |
| LHA | > | Olivier DEMAN | LW | BEL | 62 | 82 | 06/04/00 (23) | 90 | 1.81 | 72 | Karlsruher SC | | 11560 | | | | 0 | 0 | 4340 | 0 | +1 | |
 Kaizer Chiefs 2,260,000 < >  CSKA |
| SCL | > | Milan GAJIC | RWB | SRB | 61 | 86 | 28/01/96 (28) | 93 | 1.76 | 73 | CSKA | | 9870 | | | | 0 | 0 | 1780 | 0 | +1 | |
| Released |
| KCP | 25+ | Francesco BORRIELLO | Gk | ITA | 38 | 15 | 25/07/05 (18) | 86 | | | AFC Wimbledon | | | | | | | | 110 | | | |
| Loan callbacks |
| EVR | - | ÂNGELO Gabriel Borges Damaceno | RW/WS | BRA | 60 | 87 | 21/12/04 (19) | 89 | | | Paris SG | | 3770 | | | | 0 | 0 | 4750 | 0 | Y | |
