National teams managed
| Season | Team | Position | |
|---|---|---|---|
| U21 Friendlies 2026 |  | Germany U21 | Ass. Coach |
| U21 EURO Qualifiers 2025/2026 | | Germany U21 | Ass. Coach |
| U21 Friendlies 2025 | | Germany U21 | Ass. Coach |
| U21 Friendlies 2025 | | Germany U21 | Ass. Coach |
| U17 EURO Qualifiers 2024/2025 Round 1 | | Germany U17 | Ass. Coach |
| U17 Friendlies 2024 | | Germany U17 | Ass. Coach |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/2022 - 06/2023 |  | Levante UD |  Spain | Defence | 5 |
| 09/2021 - 06/2022 | | Levante UD | Spain | Defence | 13 |
| 02/2021 - 06/2021 |  | FC Schalke 04 | Germany | Defence | 30 |
| 08/2016 - 01/2021 |  | Arsenal FC |  England | Defence | 20 |
| 08/2014 - 08/2016 |  | Valencia CF | Spain | Defence | 5 |
| 01/2012 - 08/2014 |  | Sampdoria |  Italy | Defence | 8 |
| 07/2011 - 01/2012 |  | Everton FC | England | Defence | 30 |
| 07/2009 - 01/2012 |  | Everton FC (R) | England | Defence | |
| 07/2009 - 06/2011 | | Everton FC | England | Defence | 43 |
| 07/2009 - 06/2010 |  | Everton FC U19 | England | Defence | |
| 11/2008 - 06/2009 |  | Hamburger SV U19 | Germany | Defence | |
| 07/2007 - 06/2009 |  | Hamburger SV U17 | Germany | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 12 | 12 | - | - | 1.080 | - | - | - | 4 | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | 1 | - | - | » All matches |
| Europa League | 30 | 28 | 2 | 4 | 2.506 | 2 | - | - | 7 | - | - | » All matches |
| Bundesliga | 13 | 11 | 2 | - | 1.038 | 1 | - | - | 1 | - | - | » All matches |
| Premier League | 102 | 95 | 7 | 10 | 8.422 | 7 | - | 4 | 28 | - | - | » All matches |
| FA Cup | 8 | 7 | 1 | 2 | 669 | - | - | - | - | - | - | » All matches |
| League Cup | 8 | 8 | - | - | 750 | - | - | - | 1 | - | - | » All matches |
| Serie A | 50 | 44 | 6 | 3 | 3.937 | 1 | - | 2 | 11 | - | 2 | » All matches |
| Serie B | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Coppa Italia | 2 | 1 | 1 | - | 100 | - | - | - | - | - | - | » All matches |
| Primera División | 75 | 71 | 4 | 7 | 6.303 | 7 | - | - | 22 | - | - | » All matches |
| Segunda División | 3 | 2 | 1 | 2 | 113 | 1 | - | - | - | - | - | » All matches |
| Copa del Rey | 8 | 7 | 1 | - | 554 | - | - | 1 | 1 | - | 2 | » All matches |
| Total | 314 | 289 | 25 | 28 | 25.742 | 19 | - | - | 76 | - | 4 | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U19 Bundesliga Nord/Nordost | 9 | 9 | - | 2 | 732 | 2 | - | - | - | - | - | » All matches |
| Total | 9 | 9 | - | 2 | 732 | 2 | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U17 Bundesliga Nord/Nordost | 32 | 32 | - | 1 | 2.839 | 2 | - | - | 3 | - | - | » All matches |
| Total | 32 | 32 | - | 1 | 2.839 | 2 | - | - | 3 | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 3 | 1 | 2 | 1 | 133 | - | - | - | - | - | - | » All matches |
| WC Qualifiers Europe | 3 | 2 | 1 | 1 | 148 | 1 | - | - | - | - | - | » All matches |
| Friendlies | 8 | 7 | 1 | - | 675 | - | - | - | 1 | - | - | » All matches |
| Confederations Cup | 3 | 3 | - | - | 270 | - | - | - | - | - | - | » All matches |
| EURO | 2 | 1 | 1 | - | 120 | 1 | - | - | - | - | - | » All matches |
| EURO Qualifiers | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Total | 20 | 15 | 5 | 2 | 1.436 | 2 | - | - | 1 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Friendlies | 2 | 1 | 1 | 1 | 55 | - | - | - | - | - | - | » All matches |
| U21 EURO | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 4 | 4 | - | - | 360 | - | - | - | 1 | - | - | » All matches |
| Total | 7 | 6 | 1 | 1 | 505 | - | - | - | 1 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 Friendlies | 10 | 9 | 1 | - | 855 | 3 | 1 | - | - | - | - | » All matches |
| Total | 10 | 9 | 1 | - | 855 | 3 | 1 | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U19 Friendlies | 4 | 4 | - | 1 | 316 | - | - | - | - | - | - | » All matches |
| U19 EURO Qualifiers | 5 | 5 | - | - | 450 | 2 | - | - | - | - | - | » All matches |
| Total | 9 | 9 | - | 1 | 766 | 2 | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U18 Friendlies | 6 | 6 | - | 2 | 452 | 1 | - | - | - | - | - | » All matches |
| Total | 6 | 6 | - | 2 | 452 | 1 | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U17 World Cup | 4 | 4 | - | - | 376 | 1 | - | - | 1 | 1 | - | » All matches |
| U17 Friendlies | 10 | 10 | - | 1 | 856 | 2 | - | - | - | - | - | » All matches |
| U17 EURO | 5 | 5 | - | - | 480 | 1 | - | - | - | - | - | » All matches |
| Total | 19 | 19 | - | 1 | 1.712 | 4 | - | - | 1 | 1 | - |