Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 08/2008 - 12/2010 |  | FK Liepājas Metalurgs |  Latvia | Manager |
| 09/2002 - 03/2003 |  | FC Kärnten |  Austria | Manager |
| 07/2001 - 03/2002 |  | Levski Sofia |  Bulgaria | Manager |
| 07/1999 - 06/2000 |  | Antalyaspor |  Turkey | Manager |
| 11/1993 - 04/1994 |  | 1. FC Saarbrücken |  Germany | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/1990 - 06/1991 |  | FC Gütersloh | Germany | Forward | |
| 07/1988 - 06/1989 |  | Wormatia Worms | Germany | Forward | |
| 07/1987 - 06/1988 |  | FC Schalke 04 | Germany | Forward | |
| 07/1985 - 06/1987 |  | Rot-Weiß Oberhausen | Germany | Forward | |
| 07/1984 - 06/1985 |  | Galatasaray | Turkey | Forward | |
| 07/1983 - 06/1984 |  | 1. FC Nuremberg | Germany | Forward | |
| 07/1980 - 06/1983 |  | Borussia Dortmund | Germany | Forward | |
| 07/1973 - 06/1980 | | FC Schalke 04 | Germany | Forward | |
| 07/1972 - 06/1973 |  | FC Schalke 04 U19 | Germany | Forward | |
| 07/1970 - 06/1972 |  | FC Schalke 04 U17 | Germany | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Europa League | 11 | 9 | 2 | - | 850 | 4 | - | - | - | - | - | » All matches |
| Bundesliga | 316 | 287 | 29 | 33 | 26.021 | 77 | - | - | 16 | - | - | » All matches |
| 2. Bundesliga | 47 | 32 | 15 | 8 | 3.163 | 9 | - | - | 3 | - | - | » All matches |
| DFB-Pokal | 35 | 32 | 3 | 3 | 3.044 | 14 | - | - | - | - | - | » All matches |
| Total | 409 | 360 | 49 | 44 | 33.078 | 104 | - | - | 19 | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 3 | 3 | - | - | 270 | 1 | - | - | 1 | - | - | » All matches |
| Friendlies | 15 | 14 | 1 | 4 | 1.226 | 1 | - | - | - | - | - | » All matches |
| EURO Qualifiers | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Total | 19 | 18 | 1 | 4 | 1.586 | 2 | - | - | 1 | - | - |