Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 01/2026 - 06/2027 |  | Bor. Mönchengladbach U17 |  Germany | Ass. Coach |
| 04/2019 - 06/2022 |  | FC Pinzgau Saalfelden |  Austria | Manager |
| 12/2017 - 02/2018 |  | Ratchaburi FC |  Thailand | Manager |
| 12/2015 - 03/2017 |  | Atlético Baleares |  Spain | Manager |
| 03/2014 - 03/2015 |  | SpVgg Unterhaching | Germany | Manager |
| 07/2011 - 03/2014 |  | Germany U18 | Germany | Manager |
| 07/2013 - 12/2013 | | Germany U18 | Germany | Manager |
| 07/2012 - 06/2013 |  | Germany U19 | Germany | Manager |
| 05/2011 - 06/2013 | | Germany U19 | Germany | Manager |
| 07/2010 - 11/2010 |  | Arminia Bielefeld | Germany | Manager |
| 10/2008 - 12/2008 |  | Bor. Mönchengladbach | Germany | Ass. Coach |
| 10/2008 - 10/2008 | | Bor. Mönchengladbach | Germany | Manager |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| U18 Friendlies 2014 | | Germany U18 | Manager |
| U19 Friendlies 2013 | | Germany U19 | Manager |
| U18 Friendlies 2013 | | Germany U18 | Manager |
| U19 EURO Qualifiers 2012/2013 | | Germany U19 | Manager |
| U18 Friendlies 2012 | | Germany U18 | Manager |
| U19 Friendlies 2012 | | Germany U19 | Manager |
| U19 Friendlies 2011 | | Germany U19 | Manager |
| U18 Friendlies 2011 | | Germany U18 | Manager |
| U19 EURO Qualifiers 2010/2011 | | Germany U19 | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/2005 - 10/2005 | | Bor. Mönchengladbach | Germany | Midfield | 6 |
| 07/2004 - 06/2005 | | Bor. Mönchengladbach | Germany | Midfield | 23 |
| 07/2001 - 06/2004 |  | Tottenham Hotspur |  England | Midfield | 23 |
| 07/2000 - 06/2001 |  | Liverpool FC | England | Midfield | 3 |
| 07/1999 - 06/2000 |  | Middlesbrough FC | England | Midfield | 17 |
| 07/1997 - 06/1999 |  | AC Milan |  Italy | Midfield | 17 |
| 07/1995 - 06/1997 |  | Bayern Munich | Germany | Midfield | 17 |
| 07/1990 - 06/1995 | | Bayern Munich | Germany | Midfield | |
| 07/1989 - 06/1990 |  | Hertha Zehlendorf | Germany | Midfield | |
| 07/1989 - 06/1990 |  | Hertha Zehlendorf U19 | Germany | Midfield | |
| 07/1987 - 06/1989 |  | Hertha Zehlendorf U17 | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 12 | 10 | 2 | 1 | 924 | 1 | - | - | 1 | - | - | » All matches |
| Europa League | 28 | 25 | 3 | 5 | 2.193 | 5 | 1 | - | 3 | - | - | » All matches |
| Bundesliga | 198 | 183 | 15 | 32 | 15.870 | 37 | - | 38 | 40 | 1 | - | » All matches |
| DFB-Pokal | 13 | 13 | - | 3 | 1.130 | 4 | - | 2 | 1 | 1 | - | » All matches |
| Premier League | 92 | 84 | 8 | 20 | 7.180 | 14 | 1 | 18 | 23 | 3 | - | » All matches |
| FA Cup | 7 | 6 | 1 | 3 | 494 | 2 | - | - | 2 | - | - | » All matches |
| League Cup | 13 | 9 | 4 | 1 | 900 | 3 | - | - | 3 | - | - | » All matches |
| Serie A | 39 | 32 | 7 | 9 | 2.685 | 4 | - | - | 11 | 1 | - | » All matches |
| Coppa Italia | 8 | 7 | 1 | 1 | 631 | - | - | - | 3 | - | - | » All matches |
| Total | 410 | 369 | 41 | 75 | 32.007 | 70 | 2 | - | 87 | 6 | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 9 | 5 | 4 | 1 | 524 | - | - | 3 | 2 | - | - | » All matches |
| WC Qualifiers Europe | 11 | 9 | 2 | - | 838 | - | - | 2 | 3 | - | - | » All matches |
| WC Qualifiers Play-offs | 2 | 2 | - | - | 180 | - | - | - | 1 | - | - | » All matches |
| Friendlies | 35 | 30 | 5 | 16 | 2.307 | 4 | - | 3 | 2 | - | - | » All matches |
| EURO | 8 | 8 | - | - | 780 | 1 | - | 1 | 2 | - | - | » All matches |
| EURO Qualifiers | 7 | 7 | - | 2 | 612 | 4 | - | 1 | 2 | - | - | » All matches |
| Total | 72 | 61 | 11 | 19 | 5.241 | 9 | - | 10 | 12 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Friendlies | 4 | 4 | - | - | 360 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 8 | 8 | - | - | 720 | 3 | - | - | 2 | - | - | » All matches |
| Total | 12 | 12 | - | - | 1.080 | 3 | - | - | 2 | - | - |