Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/2018 - 08/2019 |  | Sunderland AFC |  England | Defence | 4 |
| 07/2016 - 06/2018 |  | Sheffield Wednesday | England | Defence | 12 |
| 07/2014 - 06/2016 | | Sheffield Wednesday | England | Defence | 5 |
| 12/2013 - 06/2014 | | Sheffield Wednesday | England | Defence | 36 |
| 07/2012 - 08/2013 |  | Real Zaragoza |  Spain | Defence | 16 |
| 08/2008 - 06/2012 |  | Celtic FC |  Scotland | Defence | 22 |
| 07/2006 - 08/2008 |  | Cardiff City |  Wales | Defence | 6 |
| 07/2005 - 06/2006 | | Cardiff City | Wales | Defence | 15 |
| 02/2005 - 06/2005 |  | De Graafschap |  Netherlands | Defence | |
| 07/2004 - 02/2005 |  | Feyenoord | Netherlands | Defence | 18 |
| 08/2003 - 06/2004 |  | SBV Excelsior | Netherlands | Defence | |
| 07/2001 - 08/2003 | | Feyenoord | Netherlands | Defence | 27 |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 3 | 3 | - | - | 270 | - | - | - | 1 | - | - | » All matches |
| Champions League Qual. | 6 | 6 | - | - | 540 | - | - | - | 2 | - | - | » All matches |
| Europa League | 14 | 13 | 1 | 2 | 1.128 | - | - | - | 2 | - | - | » All matches |
| Europa League Qual. | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Championship | 231 | 226 | 5 | 27 | 19.345 | 4 | - | - | 42 | 2 | 2 | » All matches |
| FA Cup | 19 | 19 | - | 1 | 1.684 | - | - | - | 3 | - | - | » All matches |
| League Cup | 8 | 8 | - | 2 | 685 | - | - | - | 2 | - | - | » All matches |
| League One | 11 | 11 | - | 3 | 812 | - | - | - | 2 | - | 1 | » All matches |
| Playoffs | 5 | 5 | - | - | 480 | - | - | - | 1 | - | - | » All matches |
| Eredivisie | 37 | 22 | 15 | 8 | 2.081 | - | - | 2 | 7 | - | - | » All matches |
| Eerste Divisie | 24 | 24 | - | 5 | 2.058 | 2 | - | - | 2 | - | - | » All matches |
| KNVB beker | 4 | 3 | 1 | - | 304 | - | - | - | 1 | - | - | » All matches |
| Playoffs Eredivisie | 7 | 7 | - | 1 | 586 | - | - | - | 2 | - | - | » All matches |
| Premiership | 60 | 57 | 3 | 10 | 4.838 | 8 | - | - | 6 | - | - | » All matches |
| FA Cup | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Primera División | 21 | 21 | - | 3 | 1.689 | - | - | - | 6 | 2 | - | » All matches |
| Copa del Rey | 3 | 2 | 1 | - | 182 | - | - | - | - | - | - | » All matches |
| Total | 456 | 430 | 26 | 62 | 36.952 | 14 | - | - | 79 | 4 | 3 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Friendlies | 2 | 1 | 1 | - | 97 | - | - | - | - | - | - | » All matches |
| Total | 2 | 1 | 1 | - | 97 | - | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Friendlies | 4 | 3 | 1 | 2 | 239 | - | - | - | 1 | - | - | » All matches |
| U21 EURO Qualifiers | 2 | 1 | 1 | - | 153 | - | - | - | 1 | - | - | » All matches |
| Total | 6 | 4 | 2 | 2 | 392 | - | - | - | 2 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 World Cup | 1 | - | 1 | - | 45 | - | - | - | 1 | - | - | » All matches |
| Total | 1 | - | 1 | - | 45 | - | - | - | 1 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U19 Friendlies | 6 | 6 | - | 1 | 496 | 2 | - | - | 1 | - | - | » All matches |
| U19 EURO Qualifiers | 1 | 1 | - | 1 | 86 | - | - | - | 1 | - | - | » All matches |
| Total | 7 | 7 | - | 2 | 582 | 2 | - | - | 2 | - | - |