Sunderland AFC (Premier League): every transfer in and out, fees paid and earned, squad market value, €286m spent and €163m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Bertrand Traoré | Sunderland | Without Club | — |
| 2026-07-01 | Dennis Cirkin | Sunderland | Without Club | — |
| 2026-07-01 | Dan Neil | Sunderland AFC | Rangers | Free |
| 2026-03-02 | Ian Poveda | Sunderland | Inter Bogotá | Free |
| 2026-02-02 | Nilson Angulo | RSC Anderlecht | Sunderland | €17m |
| 2026-02-02 | Simon Adingra | Sunderland | Monaco | Loan |
| 2026-02-01 | Melker Ellborg | Malmö | Sunderland | €3.5m |
| 2026-01-27 | Arthur Masuaku | Sunderland | Lens | Loan |
| 2026-01-16 | Jocelin Ta Bi | Maccabi Netanya | Sunderland | €4m |
| 2026-01-06 | Timothée Pembélé | Sunderland | Le Havre AC | Loan |
| 2025-09-05 | Milan Aleksic | Sunderland | Cracovia | Loan |
| 2025-09-02 | Nazariy Rusyn | Sunderland | Arka Gdynia | Loan |
| 2025-09-01 | Bertrand Traoré | Ajax | Sunderland | €2.9m |
| 2025-09-01 | Brian Brobbey | Ajax | Sunderland | €20m |
| 2025-09-01 | Lutsharel Geertruida | Leipzig | Sunderland | Loan |
| 2025-09-01 | Jenson Seelt | Sunderland | Wolfsburg | Loan |
| 2025-08-27 | Luís Semedo | Sunderland | Moreirense | Loan |
| 2025-08-21 | Nectarios Triantis | Sunderland | Minnesota | €2.5m |
| 2025-08-17 | Nordi Mukiele | PSG | Sunderland | €12m |
| 2025-08-12 | Omar Alderete | Getafe | Sunderland | €12m |