Transfers
| Date | From | To | Type |
|---|---|---|---|
| 01.07.2021 | Istanbul Basaksehir | FC Lugano | Free |
| 22.01.2019 | — | Istanbul Basaksehir | Free |
| 18.06.2018 | Goztepe | — | Free |
| 31.01.2018 | — | Goztepe | Free |
| 01.06.2017 | Besiktas | — | — |
| 31.01.2017 | — | Besiktas | Loan |
| 27.06.2015 | Besiktas | — | € 13M |
| 16.07.2014 | Chelsea | Besiktas | € 6M |
| 04.01.2013 | Newcastle | Chelsea | € 8.5M |
| 01.07.2011 | West Ham | Newcastle | Free |
| 25.01.2011 | 1899 Hoffenheim | West Ham | € 3M |
| 01.07.2007 | — | 1899 Hoffenheim | € 3M |