Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 02/2021 - 06/2023 |  | Burton Albion |  England | Defence | 38 |
| 01/2020 - 12/2020 |  | New England Revolution |  USA | Defence | 13 |
| 01/2020 - 02/2020 |  | New England Revolution (Preseason) | USA | Defence | |
| 08/2018 - 12/2019 | | New England Revolution | USA | Defence | 28 |
| 07/2014 - 08/2018 |  | Nottingham Forest | England | Defence | 4 |
| 07/2011 - 07/2014 |  | Hamburger SV |  Germany | Defence | 3 |
| 10/2013 - 06/2014 |  | Hamburger SV II | Germany | Defence | |
| 08/2010 - 06/2011 |  | Wolverhampton Wanderers | England | Defence | 21 |
| 07/2010 - 08/2010 |  | Chelsea FC | England | Defence | 42 |
| 08/2009 - 06/2010 | | Wolverhampton Wanderers | England | Defence | 21 |
| 01/2009 - 08/2009 | | Chelsea FC | England | Defence | 42 |
| 10/2008 - 01/2009 | | Wolverhampton Wanderers | England | Defence | 27 |
| 07/2008 - 10/2008 | | Chelsea FC | England | Defence | 42 |
| 05/2008 - 06/2008 | | Chelsea FC | England | Defence | 44 |
| 07/2007 - 05/2008 |  | Queens Park Rangers | England | Defence | 6 |
| 10/2006 - 06/2007 | | Queens Park Rangers | England | Defence | 38 |
| 07/2005 - 10/2006 | | Chelsea FC | England | Defence | 44 |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 1 | - | 1 | - | 10 | - | - | - | - | - | - | » All matches |
| Bundesliga | 49 | 47 | 2 | 3 | 4.128 | - | - | - | 7 | - | - | » All matches |
| DFB-Pokal | 4 | 4 | - | 1 | 316 | - | - | - | - | - | - | » All matches |
| Regionalliga Nord | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Relegation Play-offs Bundesliga | 2 | 1 | 1 | - | 150 | - | - | - | - | - | - | » All matches |
| Premier League | 50 | 37 | 13 | 13 | 3.300 | - | - | - | 8 | - | - | » All matches |
| Championship | 192 | 174 | 18 | 13 | 15.836 | - | - | 3 | 27 | 1 | - | » All matches |
| FA Cup | 12 | 11 | 1 | 1 | 1.003 | - | - | 1 | - | - | - | » All matches |
| League Cup | 8 | 8 | - | - | 713 | - | - | - | 2 | 1 | - | » All matches |
| League One | 40 | 33 | 7 | 13 | 2.733 | - | - | - | 13 | - | - | » All matches |
| EFL Trophy | 1 | 1 | - | 1 | 42 | - | - | - | - | - | - | » All matches |
| Major League Soccer | 33 | 27 | 6 | 2 | 2.412 | 1 | - | - | 6 | 1 | - | » All matches |
| MLS Preseason | 2 | 1 | 1 | 1 | 91 | - | - | - | - | - | - | » All matches |
| Total | 396 | 346 | 50 | 48 | 30.914 | 1 | - | - | 63 | 3 | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Friendlies | 5 | 5 | - | - | 450 | 1 | 1 | - | 1 | - | - | » All matches |
| Total | 5 | 5 | - | - | 450 | 1 | 1 | - | 1 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Friendlies | 12 | 10 | 2 | - | 990 | 1 | - | - | - | - | - | » All matches |
| U21 EURO | 5 | 4 | 1 | 2 | 322 | - | - | - | - | - | 1 | » All matches |
| U21 EURO Qualifiers | 13 | 12 | 1 | 2 | 1.095 | - | - | - | 1 | - | - | » All matches |
| Total | 30 | 26 | 4 | 4 | 2.407 | 1 | - | - | 1 | - | 1 | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U19 Friendlies | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| U19 EURO Qualifiers | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Total | 2 | 2 | - | - | 180 | - | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U17 Friendlies | 3 | 3 | - | 1 | 221 | - | - | - | - | - | - | » All matches |
| Total | 3 | 3 | - | 1 | 221 | - | - | - | - | - | - |