| Date | Type | From | To |
|---|---|---|---|
| 2025-10-19 | Free agent |  Amed DIY |  Barnet BAR |
| 2024-07-26 | N/A |  Antalyaspor ANT | Amed DIY |
| 2023-08-08 | Free |  Watford WAT | Antalyaspor ANT |
| 2023-01-29 | Free |  Adana Demirspor ADA | Watford WAT |
| 2021-07-03 | Free |  Middlesbrough MID | Adana Demirspor ADA |
| 2017-07-18 | € 19.1M |  Nottingham Forest NOT | Middlesbrough MID |
| 2014-08-06 | € 7M |  Peterborough PET | Nottingham Forest NOT |
| 2013-07-31 | N/A | Watford WAT | Peterborough PET |
| 2013-05-01 | N/A |  Southend SOU | Watford WAT |
| 2012-08-01 | Loan | Watford WAT | Southend SOU |
| 2012-02-09 | Loan | Watford WAT |  Braintree BRA |
| 2011-11-24 | Loan | Watford WAT |  Wealdstone WEA |
