Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 06/2006 - 08/2007 |  | Yverdon Sport FC |  Switzerland | Midfield | 33 |
| 01/2005 - 05/2005 |  | IK Start |  Norway | Midfield | 33 |
| 03/2003 - 06/2004 |  | Everton FC |  England | Midfield | 21 |
| 07/2002 - 03/2003 |  | Paris Saint-Germain |  France | Midfield | |
| 07/2001 - 06/2002 |  | AS Monaco | France | Midfield | 33 |
| 07/2000 - 06/2001 | | Everton FC | England | Midfield | |
| 07/1999 - 06/2000 |  | RC Lens | France | Midfield | |
| 07/1998 - 06/1999 | | RC Lens | France | Midfield | 9 |
| 07/1997 - 06/1998 |  | Karlsruher SC |  Germany | Midfield | 7 |
| 07/1995 - 06/1997 |  | FC Basel 1893 | Switzerland | Midfield | |
| 07/1994 - 06/1995 |  | Sportul Studenţesc |  Romania | Midfield | |
| 01/1994 - 06/1994 |  | Dawu Youngsters |  Ghana | Midfield | |
| 07/1992 - 06/1993 |  | Asante Kotoko | Ghana | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 6 | 6 | - | - | 540 | - | - | - | 1 | - | - | » All matches |
| Europa League | 19 | 16 | 3 | 2 | 1.426 | 3 | - | - | 1 | - | - | » All matches |
| UI-Cup | 5 | 5 | - | - | 450 | - | - | - | 1 | - | - | » All matches |
| Bundesliga | 22 | 18 | 4 | 2 | 1.582 | 1 | - | 2 | 5 | 1 | - | » All matches |
| DFB-Pokal | 1 | 1 | - | - | 90 | - | - | - | 1 | - | - | » All matches |
| League Cup | 2 | 2 | - | - | 210 | - | - | - | - | - | - | » All matches |
| Premier League | 33 | 26 | 7 | 9 | 2.300 | 1 | - | - | 7 | 1 | - | » All matches |
| FA Cup | 2 | 2 | - | 1 | 152 | - | - | - | - | - | - | » All matches |
| League Cup | 3 | 3 | - | 1 | 299 | - | - | - | - | - | - | » All matches |
| Ligue 1 | 89 | 79 | 10 | 18 | 6.776 | 6 | - | - | 20 | 2 | 1 | » All matches |
| Coupe de France | 6 | 4 | 2 | - | 426 | 1 | - | - | 2 | - | - | » All matches |
| Coupe de la Ligue | 8 | 4 | 4 | 1 | 397 | 1 | - | - | 1 | - | - | » All matches |
| Eliteserien | 3 | - | 3 | - | 56 | - | - | - | - | - | - | » All matches |
| Super League | 55 | 54 | 1 | 3 | 4.736 | 8 | - | - | 7 | - | 1 | » All matches |
| Total | 254 | 220 | 34 | 37 | 19.440 | 21 | - | - | 46 | 4 | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Olympic Games | 1 | 1 | - | 1 | 73 | - | - | - | - | - | - | » All matches |
 | Africa Cup | 6 | 6 | - | - | 540 | 1 | - | - | 1 | - | - | » All matches |
| Total | 7 | 7 | - | 1 | 613 | 1 | - | - | 1 | - | - |