Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2002 - 06/2002 |  | Al Gharafa |  Qatar | Forward | |
| 09/1997 - 12/2001 |  | Hamburger SV |  Germany | Forward | 17 |
| 07/1996 - 09/1997 |  | Leeds United |  England | Forward | 21 |
| 12/1994 - 06/1996 | | Leeds United | England | Forward | 8 |
| 07/1990 - 11/1994 |  | Eintracht Frankfurt | Germany | Forward | 9 |
| 07/1988 - 06/1990 |  | 1. FC Saarbrücken | Germany | Forward | |
| 01/1986 - 06/1988 |  | Okwawu United |  Ghana | Forward | |
| 01/1983 - 12/1985 |  | Cornerstone Kumasi | Ghana | Forward | |
| 01/1982 - 12/1982 |  | Asante Kotoko | Ghana | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 6 | 5 | 1 | 3 | 386 | 2 | - | - | - | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Europa League | 21 | 21 | - | 1 | 1.903 | 15 | - | - | - | - | - | » All matches |
| UI-Cup | 6 | 6 | - | 1 | 526 | 3 | - | 1 | - | - | - | » All matches |
| Bundesliga | 223 | 202 | 21 | 37 | 17.879 | 96 | 3 | 41 | 14 | 2 | - | » All matches |
| 2. Bundesliga | 65 | 61 | 4 | 8 | 5.549 | 26 | 1 | - | 7 | - | - | » All matches |
| DFB-Pokal | 25 | 22 | 3 | 3 | 2.227 | 13 | 1 | - | - | - | 1 | » All matches |
| Relegation Play-offs Bundesliga | 4 | 4 | - | - | 360 | 3 | - | - | - | - | - | » All matches |
| League Cup | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Premier League | 47 | 44 | 3 | 9 | 3.897 | 24 | - | 2 | 2 | - | - | » All matches |
| FA Cup | 8 | 6 | 2 | 1 | 605 | 2 | - | - | - | - | - | » All matches |
| League Cup | 7 | 7 | - | 1 | 629 | 3 | - | - | - | - | - | » All matches |
| Total | 415 | 381 | 34 | 64 | 34.231 | 187 | 5 | - | 23 | 2 | 1 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Africa Cup | 12 | 12 | - | - | 1.110 | 4 | - | - | - | - | - | » All matches |
| Total | 12 | 12 | - | - | 1.110 | 4 | - | - | - | - | - |
