Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 02/1996 - 06/2008 |  | Bayer Leverkusen |  Germany | Midfield | 28 |
| 07/1991 - 02/1996 |  | Hertha BSC | Germany | Midfield | |
| 07/1991 - 06/1993 |  | Hertha BSC II | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 49 | 49 | - | 5 | 4.268 | 2 | - | 2 | 9 | - | - | » All matches |
| Champions League Qual. | 6 | 6 | - | 1 | 527 | 1 | - | - | 1 | - | - | » All matches |
| Europa League | 17 | 17 | - | 2 | 1.459 | 3 | - | - | 2 | - | 1 | » All matches |
| Bundesliga | 333 | 325 | 8 | 37 | 28.373 | 22 | - | 29 | 83 | 3 | 1 | » All matches |
| 2. Bundesliga | 80 | 73 | 7 | 16 | 6.458 | 5 | - | - | 7 | 1 | - | » All matches |
| DFB-Pokal | 30 | 29 | 1 | 6 | 2.762 | 6 | - | - | 7 | - | - | » All matches |
| League Cup | 7 | 7 | - | - | 690 | - | - | - | - | - | - | » All matches |
| Total | 522 | 506 | 16 | 67 | 44.537 | 39 | - | 31 | 109 | 4 | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 5 | 5 | - | 1 | 356 | - | - | - | - | 1 | - | » All matches |
| WC Qualifiers Europe | 7 | 6 | 1 | - | 488 | - | - | - | 1 | - | 1 | » All matches |
| WC Qualifiers Play-offs | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Friendlies | 21 | 16 | 5 | 4 | 1.497 | 2 | - | 1 | 1 | - | - | » All matches |
| EURO Qualifiers | 11 | 10 | 1 | 1 | 894 | 1 | - | - | 2 | - | - | » All matches |
| Total | 46 | 39 | 7 | 6 | 3.415 | 3 | - | - | 4 | 1 | 1 | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Friendlies | 8 | 8 | - | 1 | 715 | - | - | - | 1 | - | - | » All matches |
| U21 EURO | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 8 | 8 | - | 1 | 708 | 2 | - | 2 | 1 | - | - | » All matches |
| Total | 18 | 18 | - | 2 | 1.603 | 2 | - | - | 2 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 World Cup | 3 | 2 | 1 | - | 235 | - | - | - | - | - | - | » All matches |
| Total | 3 | 2 | 1 | - | 235 | - | - | - | - | - | - |