| Youth career | |||
|---|---|---|---|
| 2000–2004 | 1. FV Bebra | ||
| 2004–2006 | SV Rotenburg | ||
| 2006–2009 | Hamburger SV | ||
| 2009 | Everton | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2009–2012 | Everton | 0 | (0) |
| 2012–2014 | Sampdoria | 51 | (1) |
| 2014–2016 | Valencia | 64 | (6) |
| 2016–2021 | Arsenal | 102 | (7) |
| 2021 | Schalke 04 | 13 | (1) |
| 2021–2023 | Levante | 14 | (2) |
| Total | 244 | (17) | |
| International career | |||
| 2008 | Germany U16 | 5 | (0) |
| 2008–2009 | Germany U17 | 24 | (5) |
| 2009–2010 | Germany U18 | 6 | (1) |
| 2010–2011 | Germany U19 | 9 | (2) |
| 2011–2013 | Germany U20 | 10 | (3) |
| 2013 | Germany U21 | 7 | (0) |
| 2014–2017 | Germany | 20 | (2) |
| *Club domestic league appearances and goals | |||