Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 10/2023 - 06/2024 |  | Real Betis |  Spain | Defence | 19 |
| 01/2021 - 06/2023 |  | Olympiacos FC |  Greece | Defence | 15 |
| 07/2018 - 01/2021 |  | Arsenal FC |  England | Defence | 5 |
| 11/2020 - 12/2020 |  | Arsenal FC U21 | England | Defence | |
| 07/2013 - 07/2018 |  | Borussia Dortmund |  Germany | Defence | 25 |
| 07/2011 - 06/2013 |  | Werder Bremen | Germany | Defence | 22 |
| 07/2010 - 06/2011 |  | AC Milan |  Italy | Defence | 15 |
| 07/2008 - 06/2010 |  | Genoa CFC | Italy | Defence | 15 |
| 07/2006 - 07/2008 |  | AEK Athen | Greece | Defence | 15 |
| 01/2006 - 06/2006 |  | Niki Volou FC | Greece | Defence | |
| 07/2005 - 01/2006 | | AEK Athen | Greece | Defence | 15 |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 31 | 29 | 2 | 2 | 2.571 | 3 | - | - | 4 | - | - | » All matches |
| Champions League Qual. | 3 | 1 | 2 | - | 166 | - | - | - | - | - | - | » All matches |
| Europa League | 51 | 44 | 7 | 5 | 3.879 | 2 | - | - | 9 | 1 | - | » All matches |
| Europa League Qual. | 9 | 7 | 2 | 1 | 666 | - | - | - | 1 | - | - | » All matches |
| Bundesliga | 189 | 179 | 10 | 14 | 15.891 | 9 | - | 2 | 45 | 2 | 1 | » All matches |
| DFB-Pokal | 24 | 23 | 1 | 1 | 2.323 | - | - | - | 6 | 2 | - | » All matches |
| Franz-Beckenbauer-Supercup | 4 | 3 | 1 | - | 303 | - | - | - | 1 | - | - | » All matches |
| Premier League | 44 | 44 | - | 2 | 3.896 | 3 | - | 2 | 18 | - | - | » All matches |
| FA Cup | 7 | 5 | 2 | 1 | 385 | 1 | - | - | - | - | - | » All matches |
| League Cup | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| EFL Trophy | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Super League | 107 | 100 | 7 | 14 | 8.925 | 5 | - | 2 | 25 | 2 | - | » All matches |
| Kypello Elladas | 10 | 9 | 1 | 3 | 754 | - | - | - | 2 | - | - | » All matches |
| Serie A | 56 | 41 | 15 | 6 | 3.843 | 2 | - | - | 15 | 1 | - | » All matches |
| Coppa Italia | 5 | 4 | 1 | - | 403 | - | - | - | 1 | 1 | - | » All matches |
| Primera División | 15 | 12 | 3 | 1 | 1.138 | - | - | - | 6 | - | - | » All matches |
| Copa del Rey | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Total | 558 | 504 | 54 | 50 | 45.413 | 25 | - | - | 133 | 9 | 1 | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Premier League 2 | 1 | 1 | - | 1 | 72 | - | - | - | - | - | - | » All matches |
| Total | 1 | 1 | - | 1 | 72 | - | - | - | - | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 6 | 6 | - | 1 | 517 | 1 | - | - | 2 | - | - | » All matches |
| WC Qualifiers Europe | 20 | 20 | - | 2 | 1.695 | - | - | - | 2 | - | - | » All matches |
| WC Qualifiers Play-offs | 6 | 6 | - | 1 | 479 | 1 | - | - | 1 | - | - | » All matches |
| Friendlies | 26 | 24 | 2 | 6 | 1.972 | - | - | - | 9 | - | - | » All matches |
| EURO | 3 | 3 | - | - | 224 | - | - | - | 1 | 1 | - | » All matches |
| EURO Qualifiers | 22 | 22 | - | 1 | 1.947 | 1 | - | - | 3 | - | 1 | » All matches |
| Nations League C | 6 | 6 | - | 1 | 496 | - | - | - | 2 | - | - | » All matches |
| Total | 89 | 87 | 2 | 12 | 7.330 | 3 | - | - | 20 | 1 | 1 | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO Qualifiers | 7 | 7 | - | - | 630 | 2 | - | - | 2 | - | - | » All matches |
| Total | 7 | 7 | - | - | 630 | 2 | - | - | 2 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U19 EURO | 4 | 4 | - | - | 360 | - | - | - | 2 | - | - | » All matches |
| U19 EURO Qualifiers | 2 | 2 | - | - | 180 | 2 | - | - | - | - | - | » All matches |
| Total | 6 | 6 | - | - | 540 | 2 | - | - | 2 | - | - |