Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 09/2021 - 09/2023 |  | Turkey |  Turkey | Manager |
| 09/2016 - 09/2021 |  | Germany U21 |  Germany | Manager |
| 05/2003 - 11/2003 |  | Rot Weiss Ahlen | Germany | Manager |
| 04/2003 - 05/2003 |  | Waldhof Mannheim | Germany | Manager |
| 07/2000 - 09/2002 |  | Karlsruher SC | Germany | Manager |
| 11/1999 - 06/2000 |  | Borussia Neunkirchen | Germany | Manager |
National teams managed
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/1998 - 06/1999 |  | VfL Bochum | Germany | Forward | 11 |
| 07/1996 - 06/1998 |  | Arminia Bielefeld | Germany | Forward | 11 |
| 07/1995 - 06/1996 |  | Beşiktaş | Turkey | Forward | |
| 07/1989 - 06/1995 |  | 1. FC Kaiserslautern | Germany | Forward | |
| 07/1986 - 06/1989 |  | KFC Uerdingen 05 | Germany | Forward | |
| 07/1983 - 06/1986 | | VfL Bochum | Germany | Forward | |
| 07/1980 - 06/1983 | | Borussia Neunkirchen | Germany | Forward | |
| 07/1978 - 06/1980 |  | Borussia Neunkirchen U19 | Germany | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 2 | 2 | - | 1 | 150 | - | - | - | - | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | 2 | 1 | - | 1 | - | - | » All matches |
| Europa League | 9 | 8 | 1 | - | 765 | 4 | - | - | 1 | - | - | » All matches |
| Cup Winners Cup | 2 | 2 | - | - | 180 | 1 | - | - | - | - | - | » All matches |
| Bundesliga | 449 | 433 | 16 | 60 | 38.105 | 179 | 30 | 29 | 48 | - | 1 | » All matches |
| 2. Bundesliga | 1 | - | 1 | - | 15 | - | - | - | - | - | - | » All matches |
| DFB-Pokal | 49 | 46 | 3 | 8 | 4.470 | 25 | 2 | - | 2 | - | - | » All matches |
| Franz-Beckenbauer-Supercup | 3 | 3 | - | - | 270 | 1 | - | - | - | - | - | » All matches |
| SüperLig | 30 | 30 | - | 6 | 2.543 | 9 | 1 | - | 4 | - | - | » All matches |
| Total | 547 | 526 | 21 | 75 | 46.678 | 221 | 34 | - | 56 | - | 1 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 1 | - | 1 | - | 5 | - | - | - | - | - | - | » All matches |
| WC Qualifiers Europe | 2 | 1 | 1 | 1 | 90 | 1 | - | - | - | - | - | » All matches |
| Friendlies | 12 | 6 | 6 | 3 | 582 | 4 | - | - | - | - | - | » All matches |
| EURO | 5 | 3 | 2 | 1 | 373 | 1 | - | 1 | 1 | - | - | » All matches |
| EURO Qualifiers | 5 | 1 | 4 | 1 | 148 | - | - | - | - | - | - | » All matches |
| Total | 25 | 11 | 14 | 6 | 1.198 | 6 | - | - | 1 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO Qualifiers | 4 | 2 | 2 | - | 248 | 3 | 1 | - | - | - | - | » All matches |
| Total | 4 | 2 | 2 | - | 248 | 3 | 1 | - | - | - | - |
