Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 09.07.2025 | C. Talbi | — | Sunderland | Transfer |
| 09.07.2025 | C. Talbi | Club Brugge KV | Sunderland | Transfer |
| 08.07.2025 | Reinildo | — | Sunderland | Free Transfer |
| 08.07.2025 | Reinildo | Atletico Madrid | Sunderland | Free Transfer |
| 07.07.2025 | C. Talbi | Club Brugge KV | Sunderland | Transfer |
| 06.07.2025 | A. Aouchiche | Sunderland | Aberdeen | Loan |
| 04.07.2025 | N. Sadiki | — | Sunderland | Transfer |
| 04.07.2025 | N. Sadiki | Union St. Gilloise | Sunderland | Transfer |
| 02.07.2025 | N. Sadiki | Union St. Gilloise | Sunderland | Transfer |
| 01.07.2025 | P. Ekwah | — | Sunderland | Back from Loan |
| 01.07.2025 | P. Ekwah | Saint Etienne | Sunderland | Back from Loan |
| 01.07.2025 | E. Le Fée | Sunderland | AS Roma | N/A |
| 01.07.2025 | E. Le Fée | — | Sunderland | Transfer |
| 01.07.2025 | E. Le Fée | AS Roma | Sunderland | Transfer |
| 01.07.2025 | Z. Johnson | — | Sunderland | Back from Loan |
| 01.07.2025 | N. Triantis | Hibernian | Sunderland | Back from Loan |
| 01.07.2025 | T. Pembélé | Le Havre | Sunderland | Back from Loan |
| 01.07.2025 | Ben Crompton | — | Sunderland | N/A |
| 01.07.2025 | Ben Crompton | Sunderland | — | Free Transfer |
| 01.07.2025 | N. Bishop | — | Sunderland | N/A |
| 01.07.2025 | N. Bishop | Sunderland | — | Transfer |
| 01.07.2025 | H. Diarra | Strasbourg | Sunderland | Transfer |
| 01.07.2025 | A. Ba | — | Sunderland | Back from Loan |
| 01.07.2025 | M. Young | — | Sunderland | — |
| 01.07.2025 | A. Aouchiche | — | Sunderland | Back from Loan |
| 01.07.2025 | J. Matete | — | Sunderland | Back from Loan |
| 01.07.2025 | J. Matete | — | Sunderland | Back from Loan |
| 01.07.2025 | S. Abdul Samed | Sunderland | Lens | Back from Loan |
| 01.07.2025 | C. Mepham | Sunderland | Bournemouth | Back from Loan |
| 01.07.2025 | N. Rusyn | — | Sunderland | Back from Loan |
| 01.07.2025 | N. Rusyn | — | Sunderland | Back from Loan |
| 01.07.2025 | Luís Semedo | — | Sunderland | Back from Loan |
| 01.07.2025 | Luís Semedo | — | Sunderland | Back from Loan |
| 01.07.2025 | J. Danns | Sunderland | Liverpool | N/A |
| 30.06.2025 | T. Watson | Sunderland | Brighton | Transfer |
| 30.06.2025 | C. Kelly | Sunderland | — | Free agent |
| 29.06.2025 | A. Chungh | Sunderland | — | Free agent |
| 29.06.2025 | A. Ba | — | Sunderland | Return from loan |
| 10.06.2025 | J. Bellingham | Sunderland | Borussia Dortmund | Transfer |
| 09.06.2025 | J. Bellingham | Sunderland | Borussia Dortmund | Transfer |
| 01.06.2025 | T. Watson | Sunderland | Brighton | Transfer |
| 30.05.2025 | Ben Crompton | — | Sunderland | Return from loan |
| 30.05.2025 | C. Kelly | — | Sunderland | Return from loan |
| 09.03.2025 | J. Bennette | Sunderland | LNZ Cherkasy | Transfer |
| 04.02.2025 | J. Danns | Liverpool | Sunderland | Loan |
| 03.02.2025 | A. Ba | Sunderland | — | Loan |
| 03.02.2025 | N. Bishop | Sunderland | — | Loan |
| 02.02.2025 | N. Bishop | — | Sunderland | Back from Loan |
| 02.02.2025 | N. Bishop | — | Sunderland | Back from Loan |
| 01.02.2025 | A. Aouchiche | Sunderland | — | Loan |