EnglandDir | ||||||
|---|---|---|---|---|---|---|
| 7/10/2025 | Transfer | Brighton | Sunderland | Forward | ||
| 7/9/2025 | Transfer | Club Brugge | Sunderland | Forward | ||
 🇲🇿Reinildo | 7/8/2025 | Free Transfer | Atlético Madrid | Sunderland | Defender | |
| 7/6/2025 | Loan | Sunderland | AberdeenUntil 6/30/2026 | Midfielder | ||
| 7/4/2025 | Transfer | Union Saint-Gilloise | Sunderland | Midfielder | ||
 🏴Nathan Bishop | 7/1/2025 | Transfer | Sunderland | AFC Wimbledon | Goalkeeper | |
| 7/1/2025 | Transfer | Strasbourg | Sunderland | Midfielder | ||
| 7/1/2025 | Transfer | Roma | Sunderland | Midfielder | ||
| 6/30/2025 | Back from Loan | Sunderland | Lens | Midfielder | ||
| 6/30/2025 | Back from Loan | Sunderland | RomaUntil 7/1/2025 | Midfielder | ||
| 6/30/2025 | Back from Loan | Saint-Étienne | Sunderland | Midfielder | ||
| 6/30/2025 | Back from Loan | Le Havre | Sunderland | Defender | ||
| 6/30/2025 | Back from Loan | Hajduk Split | Sunderland | Forward | ||
| 6/30/2025 | Back from Loan | Portsmouth | SunderlandUntil 7/6/2025 | Midfielder | ||
| 6/30/2025 | Back from Loan | Dunkerque | Sunderland | Midfielder | ||
 🏴Jobe Bellingham | 6/10/2025 | Transfer | Sunderland | Borussia Dortmund | Midfielder |
