Transfers
| Date | From | To | Type |
|---|---|---|---|
| 08.09.2023 | Dundee Utd | — | Free |
| 07.07.2022 | — | Dundee Utd | Free |
| 01.07.2016 | Sunderland | — | Free |
| 01.06.2016 | Marseille | Sunderland | — |
| 01.02.2016 | Sunderland | Marseille | Loan |
| 24.08.2012 | Wolves | Sunderland | € 15.2M |
| 01.07.2010 | Burnley | Wolves | € 7.2M |
| 03.07.2009 | Hibernian | Burnley | € 4.7M |