Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 09/2026 - 06/2027 |  | Trabzonspor |  Turkey | Manager |
| 07/2026 - 09/2026 |  | PFC Ludogorets Razgrad |  Bulgaria | Manager |
| 07/2024 - 02/2026 |  | Samsunspor | Turkey | Manager |
| 10/2022 - 09/2023 |  | FC Schalke 04 |  Germany | Manager |
| 09/2019 - 09/2022 |  | VfL Bochum | Germany | Manager |
| 07/2016 - 09/2019 |  | VfL Wolfsburg U19 | Germany | Manager |
| 07/2015 - 06/2016 |  | VfL Bochum U19 | Germany | Manager |
| 01/2015 - 06/2016 | | VfL Bochum | Germany | Ass. Coach |
| 01/2014 - 01/2015 |  | VfL Bochum II | Germany | Manager |
| 07/2013 - 01/2014 | | VfL Bochum U19 | Germany | Manager |
| 02/2012 - 06/2013 | | VfL Bochum | Germany | Ass. Coach |
| 07/2011 - 06/2012 | | VfL Bochum II | Germany | Ass. Coach |
| 04/2011 - 06/2011 |  | VfL Bochum | Germany | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/2005 - 06/2007 |  | Waldhof Mannheim | Germany | Defence | |
| 07/2004 - 06/2005 |  | Eintracht Trier | Germany | Defence | 28 |
| 07/2003 - 06/2004 |  | FC Augsburg | Germany | Defence | 21 |
| 07/2002 - 06/2003 | | VfL Bochum II | Germany | Defence | |
| 07/2000 - 06/2003 | | VfL Bochum | Germany | Defence | 22 |
| 07/1999 - 06/2000 | | VfL Bochum | Germany | Defence | 5 |
| 07/1995 - 06/1999 | | VfL Bochum | Germany | Defence | 22 |
| 07/1992 - 06/1995 |  | Eintracht Frankfurt | Germany | Defence | |
| 07/1990 - 06/1992 |  | Eintracht Frankfurt U19 | Germany | Defence | |
| 07/1989 - 06/1990 |  | VfB Stuttgart U17 | Germany | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Europa League | 6 | 5 | 1 | 1 | 460 | 1 | - | - | 2 | - | - | » All matches |
| UI-Cup | 1 | - | 1 | - | 9 | - | - | - | - | - | - | » All matches |
| Bundesliga | 128 | 103 | 25 | 18 | 9.398 | 14 | 1 | 7 | 21 | 1 | 1 | » All matches |
| 2. Bundesliga | 87 | 79 | 8 | 16 | 6.754 | 5 | - | 1 | 14 | - | 1 | » All matches |
| DFB-Pokal | 19 | 16 | 3 | 3 | 1.633 | 3 | 1 | - | 2 | - | - | » All matches |
| Regionalliga Süd (1994-2012) | 27 | 26 | 1 | 9 | 2.115 | 3 | 1 | - | 3 | - | - | » All matches |
| League Cup | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Total | 269 | 230 | 39 | 47 | 20.459 | 26 | 3 | - | 42 | 1 | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | U21 Friendlies | 4 | 3 | 1 | 2 | 198 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 3 | 2 | 1 | - | 200 | - | - | - | 1 | - | - | » All matches |
| Total | 7 | 5 | 2 | 2 | 398 | - | - | - | 1 | - | - |