| Date | From | To | Type | Fee |
|---|---|---|---|---|
| 07 Feb 2026 | TBC | Celtic | permanent | — |
| 27 Aug 2025 | Beşiktaş | TBC | permanent | — |
| 12 Aug 2023 | Liverpool F.C. | Beşiktaş | permanent | — |
| 31 Aug 2017 | Arsenal | Liverpool F.C. | permanent | €38M |
| 08 Aug 2011 | Southampton F.C. | Arsenal | permanent | €13.8M |
| 01 Jul 2010 | Southampton U18 | Southampton F.C. | permanent | — |
