Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 04/1995 - 06/1995 |  | Viktoria Köln |  Germany | Manager |
| 07/1994 - 10/1994 |  | 1. FC Lok Leipzig | Germany | Manager |
| 03/1994 - 06/1994 | | Viktoria Köln | Germany | Manager |
| 07/1992 - 06/1994 |  | SC Brück | Germany | Manager |
| 09/1990 - 06/1991 |  | Fortuna Köln | Germany | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/1988 - 06/1990 | | Fortuna Köln | Germany | Forward | |
| 07/1986 - 06/1988 |  | 1. FC Köln | Germany | Forward | |
| 07/1982 - 06/1986 |  | Arsenal FC |  England | Forward | |
| 11/1979 - 06/1982 | | 1. FC Köln | Germany | Forward | |
| 07/1976 - 11/1979 |  | Nottingham Forest | England | Forward | |
| 07/1974 - 06/1976 |  | Nottingham Forest (R) | England | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 13 | 13 | - | - | 1.170 | 3 | - | - | 1 | - | - | » All matches |
| Europa League | 12 | 12 | - | 1 | 1.108 | 1 | - | - | - | - | - | » All matches |
| Bundesliga | 131 | 107 | 24 | 17 | 9.799 | 39 | - | - | 3 | - | 1 | » All matches |
| 2. Bundesliga | 37 | 31 | 6 | 6 | 2.794 | 5 | - | - | 2 | - | - | » All matches |
| DFB-Pokal | 17 | 15 | 2 | - | 1.478 | 8 | - | - | 1 | - | - | » All matches |
| Premier League | 219 | 217 | 2 | 12 | 19.205 | 81 | 2 | - | - | - | - | » All matches |
| FA Cup | 3 | 2 | 1 | - | 206 | 1 | - | 1 | - | - | - | » All matches |
| League Cup | 10 | 8 | 2 | - | 962 | 1 | - | - | - | - | - | » All matches |
| Total | 442 | 405 | 37 | 36 | 36.722 | 139 | 2 | - | 7 | - | 1 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 2 | 1 | 1 | 1 | 78 | - | - | - | - | - | - | » All matches |
| WC Qualifiers Europe | 9 | 7 | 2 | 2 | 612 | 5 | - | - | - | - | - | » All matches |
| Friendlies | 19 | 12 | 7 | 5 | 1.074 | 5 | - | - | - | - | - | » All matches |
| EURO | 3 | 3 | - | - | 270 | 1 | - | - | - | - | - | » All matches |
| EURO Qualifiers | 9 | 7 | 2 | 2 | 568 | 5 | - | - | - | - | - | » All matches |
| Total | 42 | 30 | 12 | 10 | 2.602 | 16 | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO | 1 | 1 | - | - | 90 | 2 | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 1 | 1 | - | - | 90 | 3 | - | - | - | - | - | » All matches |
| Total | 2 | 2 | - | - | 180 | 5 | - | - | - | - | - |