 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Transfers |
 Benfica B 10,800,000 < >  Sunderland |
| DNE | > | GONÇALO Matias RAMOS | CS | POR | 64 | 89 | 20/06/01 (21) | 89 | 1.84 | 77 | Sunderland | | 18080 | | | | 0 | 0 | 8285 | 0 | +2 | |
 Alavés 6,750,000 < > Sunderland |
| XLD | > | Theo HERNÁNDEZ | LWB | FRA | 67 | 90 | 06/10/97 (25) | 85 | 1.75 | 69 | Sunderland | | 32460 | | | | 0 | 0 | 5055 | 0 | +1 | |
| 150,000 < > Plymouth Argyle |
| UZX | > | Callum BURTON | Gk | ENG | 44 | 95 | 15/08/96 (26) | 91 | 1.88 | 76 | Plymouth Argyle | | 660 | | | | 0 | 0 | 125 | 0 | | |
| 100,000 < > Plymouth Argyle |
| LZA | > | Joe EDWARDS | RB/CM | ENG | 48 | 75 | 31/10/90 (32) | 93 | 1.73 | 73 | Plymouth Argyle | | 1180 | | | | 0 | 0 | 70 | 0 | | |
| 200,000 < > Plymouth Argyle |
| PPV | > | James BOLTON | RB/CB | ENG | 46 | 76 | 13/08/94 (28) | 93 | 1.83 | 75 | Plymouth Argyle | | 900 | | | | 0 | 0 | 120 | 0 | | |
| 300,000 < > Everton |
| PQI | < | Tom CANNON | CS/W | IRL | 39 | 97 | 28/12/02 (19) | 89 | | | Everton | | 390 | | | | 0 | 0 | 235 | 0 | | |
| 200,000 < > Everton |
| PJV | < | Stanley MILLS | AM | ENG | 39 | 79 | 25/10/03 (19) | 90 | | | Everton | | 390 | | | | 0 | 0 | 190 | 0 | | |
| 300,000 < > Gillingham |
| YZB | > | Lewis WALKER | St | ENG | 43 | 74 | 14/04/99 (23) | 91 | 1.83 | 76 | Gillingham | | 630 | | | | 0 | 0 | 265 | 0 | | |
| 200,000 < > Gillingham |
| SPY | > | Oliver LEE | CM/DM | ENG | 46 | 94 | 11/07/91 (31) | 95 | 1.80 | 79 | Gillingham | | 1050 | | | | 0 | 0 | 150 | 0 | | |
| 100,000 < > Gillingham |
| HVC | > | Jordan GREEN | W | ENG | 42 | 68 | 22/02/95 (27) | 95 | 1.68 | 72 | Gillingham | | 570 | | | | 0 | 0 | 95 | 0 | | |
| Villarreal 2,450,000 < > Arsenal |
| TSG | > | CÉDRIC Ricardo Alves Soares | RWB | POR | 62 | 83 | 31/08/91 (31) | 90 | 1.69 | 62 | Arsenal | | 12660 | | | | 0 | 0 | 1650 | 0 | | |
 N.E. Revolution 2,400,000 < > Arsenal |
| DNF | > | Matt TURNER | Gk | USA | 60 | 85 | 24/06/94 (28) | 91 | 1.91 | 79 | Arsenal | | 8470 | | | | 0 | 0 | 1545 | 0 | | |
 Sant. Wanderers 6,000,000 < > Arsenal |
| HLO | > | Granit XHAKA | CM | SUI | 65 | 84 | 27/09/92 (30) | 88 | 1.83 | 70 | Arsenal | | 21400 | | | | 0 | 0 | 4075 | 0 | | |
 Hibernian 570,000 < > Carlisle United |
| LJF | > | Matt MACEY | Gk | ENG | 52 | 90 | 09/09/94 (28) | 93 | 1.98 | 81 | Carlisle United | | 2360 | | | | 0 | 0 | 435 | 0 | +1 | |
 Livorno 795,000 < > Colchester United |
| AHY | > | Peter KIOSO | RB | COD | 53 | 82 | 15/08/98 (24) | 88 | 1.83 | 70 | Colchester United | | 2540 | | | | 0 | 0 | 670 | 0 | +1 | |
| Grasshoppers 1,150,000 < > Burton Albion |
| TDH | > | Tote António Gomes, TOTI | LB/CB | POR | 54 | 97 | 16/01/99 (23) | 89 | 1.87 | 79 | Burton Albion | | 2590 | | | | 0 | 0 | 900 | 0 | +1 | |
| 225,000 < > Swindon Town |
| TXC | > | Jordan RHODES | CS | SCO | 52 | 83 | 05/02/90 (32) | 93 | 1.85 | 71 | Swindon Town | | 2110 | | | | 0 | 0 | 425 | 0 | +1 | |
| Loan/transfer listed |
| UIY | - | Chris BASHAM | CB/DM | ENG | 57 | 95 | 20/07/88 (34) | 93 | 1.80 | 79 | Sunderland | 6.91 | 5260 | | | T | 4 | 0 | 185 | 0 | | |
| QZC | - | Max-Alain GRADEL | W | CIV | 61 | 92 | 30/11/87 (35) | 92 | 1.73 | 78 | Sunderland | | 8760 | | | T | 2 | 0 | 230 | 0 | | |
| Released |
| JTT | 25+ | Artur BORUC | Gk | POL | 56 | 13 | 20/02/80 (42) | 90 | 1.93 | 88 | (retired) | | | | | | | | F/t | | | |
| Loan callbacks |
| GCL | - | Daniel CARVAJAL Ramos | RWB | ESP | 68 | 81 | 18/01/92 (30) | 91 | 1.71 | 73 | Liverpool | 7.10 | 31860 | | | | 0 | 0 | 4240 | 0 | +1 | |
