Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 03/2008 - 06/2008 |  | Clyde FC |  Scotland | Midfield | |
| 07/2005 - 06/2007 |  | Fortuna Düsseldorf |  Germany | Midfield | 8 |
| 12/2004 - 06/2005 |  | SpVgg Greuther Fürth | Germany | Midfield | 13 |
| 02/2003 - 11/2004 |  | Shanghai Shenhua |  China | Midfield | 6 |
| 07/2001 - 02/2003 |  | Hamburger SV | Germany | Midfield | 10 |
| 07/1997 - 06/2001 |  | Rangers FC | Scotland | Midfield | 11 |
| 07/1996 - 06/1997 | | Rangers FC | Scotland | Midfield | 3 |
| 07/1993 - 06/1996 | | Hamburger SV | Germany | Midfield | 22 |
| 07/1990 - 06/1993 | | Fortuna Düsseldorf | Germany | Midfield | |
| 07/1989 - 06/1990 |  | Bor. Mönchengladbach | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 14 | 10 | 4 | 1 | 1.058 | 3 | - | - | 1 | - | - | » All matches |
| Champions League Qual. | 13 | 8 | 5 | 2 | 813 | 3 | - | - | 2 | - | - | » All matches |
| Europa League | 11 | 10 | 1 | 1 | 869 | 4 | 1 | - | 1 | - | - | » All matches |
| Europa League Qual. | 4 | 3 | 1 | 1 | 263 | 2 | 2 | - | - | - | - | » All matches |
| Bundesliga | 150 | 140 | 10 | 21 | 12.388 | 29 | 3 | 20 | 14 | - | - | » All matches |
| 2. Bundesliga | 48 | 39 | 9 | 10 | 3.466 | 6 | - | - | 4 | - | - | » All matches |
| DFB-Pokal | 10 | 8 | 2 | 3 | 734 | 2 | - | - | 1 | - | - | » All matches |
| Regionalliga Nord | 50 | 45 | 5 | 14 | 3.913 | 7 | - | - | 4 | - | 1 | » All matches |
| Premiership | 156 | 141 | 15 | 30 | 12.427 | 58 | 21 | - | 6 | - | 2 | » All matches |
| FA Cup | 2 | 2 | - | - | 180 | 1 | - | - | - | - | - | » All matches |
| Total | 458 | 406 | 52 | 83 | 36.111 | 115 | 27 | - | 33 | - | 3 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Friendlies | 3 | 1 | 2 | 1 | 97 | - | - | - | - | - | - | » All matches |
| Total | 3 | 1 | 2 | 1 | 97 | - | - | - | - | - | - |