Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 11/2025 - 06/2026 |  | Newport County |  Wales | Manager |
| 01/2023 - 11/2025 |  | Charlotte FC |  USA | Ass. Coach |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2022 - 01/2023 | | Charlotte FC | USA | Defence | 22 |
| 07/2021 - 12/2021 |  | Charlotte Independence | USA | Defence | 22 |
| 07/2015 - 06/2021 |  | Leicester City |  England | Defence | 28 |
| 07/2011 - 06/2015 |  | FC Schalke 04 |  Germany | Defence | 23 |
| 07/2010 - 06/2011 |  | 1. FSV Mainz 05 | Germany | Defence | 22 |
| 07/2008 - 07/2010 |  | VfL Bochum | Germany | Defence | 6 |
| 07/2003 - 06/2008 |  | SV Mattersburg |  Austria | Defence | 25 |
| 07/2002 - 06/2003 |  | 1. Wiener Neustädter SC (old) | Austria | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 25 | 21 | 4 | 3 | 1.947 | 2 | - | 4 | 4 | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Europa League | 15 | 14 | 1 | 2 | 1.253 | 2 | - | 2 | 2 | - | - | » All matches |
| Europa League Qual. | 3 | 3 | - | - | 270 | - | - | - | 1 | - | 1 | » All matches |
| Bundesliga | 183 | 160 | 23 | 20 | 14.368 | 10 | - | 35 | 29 | 2 | - | » All matches |
| DFB-Pokal | 13 | 11 | 2 | - | 1.077 | - | - | 3 | 1 | - | - | » All matches |
| Franz-Beckenbauer-Supercup | 1 | 1 | - | - | 120 | - | - | - | - | - | - | » All matches |
| Premier League | 116 | 104 | 12 | 6 | 9.422 | 2 | - | 9 | 19 | - | - | » All matches |
| FA Cup | 8 | 5 | 3 | 1 | 460 | - | - | 1 | - | - | - | » All matches |
| League Cup | 13 | 13 | - | - | 1.350 | 1 | - | 2 | 1 | - | - | » All matches |
| FA Community Shield | 1 | 1 | - | 1 | 80 | - | - | - | - | - | - | » All matches |
| Bundesliga | 141 | 120 | 21 | 16 | 10.768 | 11 | - | - | 27 | - | - | » All matches |
| ÖFB-Cup | 9 | 8 | 1 | 2 | 748 | 2 | - | - | 1 | - | - | » All matches |
| Major League Soccer | 26 | 22 | 4 | 3 | 1.949 | 3 | 3 | - | 3 | - | 2 | » All matches |
| USL Championship | 17 | 17 | - | 2 | 1.517 | 2 | - | - | 5 | - | - | » All matches |
| U.S. Open Cup | 1 | - | 1 | - | 35 | - | - | - | - | - | - | » All matches |
| Total | 574 | 502 | 72 | 56 | 45.544 | 35 | 3 | 56 | 93 | 2 | 3 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Europe | 17 | 17 | - | 3 | 1.484 | - | - | 1 | 4 | - | - | » All matches |
| Friendlies | 37 | 31 | 6 | 9 | 2.791 | 1 | - | - | 1 | - | - | » All matches |
| EURO | 4 | 4 | - | - | 360 | - | - | - | 1 | - | - | » All matches |
| EURO Qualifiers | 20 | 20 | - | - | 1.800 | - | - | 1 | 1 | - | - | » All matches |
| Total | 78 | 72 | 6 | 12 | 6.435 | 1 | - | 2 | 7 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO Qualifiers | 7 | 6 | 1 | 2 | 549 | - | - | - | 2 | - | - | » All matches |
| Total | 7 | 6 | 1 | 2 | 549 | - | - | - | 2 | - | - |