Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 09/2013 - 08/2014 |  | Asante Kotoko |  Ghana | Forward | |
| 01/2011 - 12/2011 |  | Vålerenga IF |  Norway | Forward | 18 |
| 08/2008 - 12/2010 |  | 1. FC Nuremberg |  Germany | Forward | 19 |
| 07/2008 - 08/2008 |  | VfL Wolfsburg | Germany | Forward | 28 |
| 01/2008 - 06/2008 |  | 1. FSV Mainz 05 | Germany | Forward | 10 |
| 07/2006 - 01/2008 | | VfL Wolfsburg | Germany | Forward | 13 |
| 07/2005 - 06/2006 |  | Arminia Bielefeld | Germany | Forward | 9 |
| 09/2003 - 06/2005 | | Arminia Bielefeld | Germany | Forward | 18 |
| 07/2002 - 08/2003 | | Asante Kotoko | Ghana | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Europa League Qual. | 1 | 1 | - | 1 | 30 | - | - | - | - | - | - | » All matches |
| Bundesliga | 72 | 44 | 28 | 26 | 4.050 | 14 | 1 | 4 | 3 | - | - | » All matches |
| 2. Bundesliga | 68 | 56 | 12 | 32 | 4.734 | 23 | 1 | 10 | 4 | - | 2 | » All matches |
| DFB-Pokal | 10 | 8 | 2 | 5 | 700 | 2 | - | - | - | - | - | » All matches |
| Relegation Play-offs Bundesliga | 3 | 2 | 1 | - | 192 | 2 | - | - | 1 | - | - | » All matches |
| Eliteserien | 7 | 3 | 4 | 3 | 342 | 1 | - | - | 1 | - | - | » All matches |
| Total | 161 | 114 | 47 | 67 | 10.048 | 42 | 2 | - | 9 | - | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Africa | 3 | 2 | 1 | 1 | 206 | 2 | - | - | 1 | - | - | » All matches |
 | Africa Cup | 3 | 2 | 1 | 1 | 176 | 2 | - | - | - | - | - | » All matches |
| Total | 6 | 4 | 2 | 2 | 382 | 4 | - | - | 1 | - | - |