Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 11/2021 - 03/2022 |  | Hertha BSC |  Germany | Manager |
| 01/2018 - 10/2018 |  | VfB Stuttgart | Germany | Manager |
| 03/2017 - 06/2017 |  | Bayer Leverkusen | Germany | Manager |
| 06/2016 - 12/2016 |  | 1. FC Kaiserslautern | Germany | Manager |
| 12/2013 - 04/2015 |  | Hannover 96 | Germany | Manager |
| 07/2011 - 12/2011 |  | VfB Stuttgart U19 | Germany | Manager |
| 07/2009 - 06/2010 |  | TSG Hoffenheim U17 | Germany | Manager |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| WC Qualifiers Europe 2012/2013 |  | Turkey | Ass. Coach |
| Friendlies 2012 | | Turkey | Ass. Coach |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2006 - 06/2006 |  | Gençlerbirliği | Turkey | Midfield | 4 |
| 07/2004 - 06/2005 |  | Beşiktaş | Turkey | Midfield | 20 |
| 07/2003 - 06/2004 |  | RCD Espanyol |  Spain | Midfield | 21 |
| 07/2001 - 06/2003 |  | Real Sociedad | Spain | Midfield | 8 |
| 07/2000 - 06/2001 | | Real Sociedad | Spain | Midfield | 15 |
| 07/1997 - 06/2000 |  | Fenerbahçe | Turkey | Midfield | |
| 07/1996 - 06/1997 | | Fenerbahçe | Turkey | Midfield | 7 |
| 07/1995 - 06/1996 | | Fenerbahçe | Turkey | Midfield | |
| 07/1993 - 06/1995 |  | Stuttgarter Kickers | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Europa League | 11 | 10 | 1 | 1 | 876 | - | - | - | - | - | - | » All matches |
| Europa League Qual. | 4 | 4 | - | - | 360 | - | - | - | - | - | - | » All matches |
| DFB-Pokal | 3 | - | 3 | - | 57 | - | - | - | - | - | - | » All matches |
| Primera División | 99 | 74 | 25 | 19 | 6.612 | 9 | - | - | 13 | - | - | » All matches |
| Copa del Rey | 2 | 2 | - | 2 | 142 | - | - | - | - | - | - | » All matches |
| SüperLig | 175 | 164 | 11 | 39 | 14.238 | 14 | - | - | 8 | - | 1 | » All matches |
| Total | 297 | 257 | 40 | 61 | 22.555 | 23 | - | - | 21 | - | 1 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Europe | 12 | 7 | 5 | 1 | 696 | 1 | - | - | - | - | - | » All matches |
| Friendlies | 16 | 9 | 7 | 4 | 982 | - | - | - | - | - | - | » All matches |
| EURO | 5 | 4 | 1 | - | 406 | - | - | - | 2 | - | - | » All matches |
| EURO Qualifiers | 9 | 8 | 1 | 2 | 647 | - | - | - | - | - | 1 | » All matches |
| Total | 42 | 28 | 14 | 7 | 2.731 | 1 | - | - | 2 | - | 1 |