Transfers
| Date | From | To | Type |
|---|---|---|---|
| 01.07.2018 | FSV Mainz 05 | — | Free |
| 05.01.2018 | Galatasaray | FSV Mainz 05 | Free |
| 31.08.2016 | — | Galatasaray | Free |
| 03.02.2016 | AC Milan | — | Free |
| 31.08.2012 | Manchester City | AC Milan | € 3.5M |
| 01.01.2009 | Hamburger SV | Manchester City | € 18M |
| 01.01.2006 | Ajax | Hamburger SV | € 1.5M |