Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 05/2015 - 06/2015 |  | FC Wil 1900 |  Switzerland | Manager |
Career as a player
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 07/1987 - 06/1994 |  | Galatasaray |  Turkey | Forward |
| 07/1986 - 06/1987 |  | Borussia Dortmund |  Germany | Forward |
| 07/1984 - 06/1986 | | Galatasaray | Turkey | Forward |
| 07/1980 - 06/1984 | | Borussia Dortmund | Germany | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 7 | 3 | 4 | 2 | 279 | - | - | - | 1 | - | - | » All matches |
| Europa League | 5 | 5 | - | 2 | 385 | - | - | - | - | - | - | » All matches |
| Cup Winners Cup | 5 | 5 | - | 3 | 387 | 2 | - | - | - | - | - | » All matches |
| Bundesliga | 106 | 74 | 32 | 28 | 6.729 | 27 | - | - | 16 | - | - | » All matches |
| DFB-Pokal | 8 | 6 | 2 | 2 | 608 | 3 | - | - | 2 | - | - | » All matches |
| SüperLig | 7 | 1 | 6 | - | 145 | - | - | - | - | - | 1 | » All matches |
| Total | 138 | 94 | 44 | 37 | 8.533 | 32 | - | - | 19 | - | 1 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Europe | 4 | 3 | 1 | 1 | 238 | - | - | - | 1 | - | - | » All matches |
| Friendlies | 11 | 10 | 1 | 2 | 832 | 2 | - | - | - | - | - | » All matches |
| EURO Qualifiers | 10 | 10 | - | 3 | 774 | - | - | - | 2 | - | - | » All matches |
| Total | 25 | 23 | 2 | 6 | 1.844 | 2 | - | - | 3 | - | - |