| Date | From | To | Type | Fee |
|---|---|---|---|---|
| 29 Jul 2026 | Brentford | TBC | permanent | — |
| 15 Jul 2025 | AFC Ajax | Brentford | permanent | — |
| 10 Jul 2025 | AFC Ajax | TBC | permanent | — |
| 18 Jan 2024 | Al Ettifaq | AFC Ajax | permanent | — |
| 27 Jul 2023 | Liverpool F.C. | Al Ettifaq | permanent | €14M |
| 01 Jul 2011 | Sunderland | Liverpool F.C. | permanent | €18M |
| 06 Apr 2009 | Coventry City | Sunderland | permanent | — |
| 29 Jan 2009 | Sunderland | Coventry City | permanent | — |
| 01 Jul 2008 | Sunderland U18 | Sunderland | permanent | — |
