Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/2025 - 06/2028 |  | Sunderland AFC |  England | Midfield | 34 |
| 07/2023 - 07/2025 |  | Bayer Leverkusen |  Germany | Midfield | 34 |
| 07/2018 - 07/2023 |  | Arsenal FC | England | Midfield | 34 |
| 07/2016 - 06/2018 | | Arsenal FC | England | Midfield | 29 |
| 07/2012 - 06/2016 |  | Bor. Mönchengladbach | Germany | Midfield | 34 |
| 07/2010 - 06/2012 |  | FC Basel 1893 |  Switzerland | Midfield | 34 |
| 07/2008 - 06/2010 |  | FC Basel 1893 II | Switzerland | Midfield | |
| 07/2007 - 06/2008 |  | FC Basel 1893 U18 | Switzerland | Midfield | |
| 07/2005 - 06/2007 |  | FC Basel 1893 U16 | Switzerland | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 32 | 27 | 5 | 7 | 2.482 | 1 | - | 1 | 9 | - | - | » All matches |
| Champions League Qual. | 4 | 2 | 2 | - | 187 | 1 | - | - | - | - | - | » All matches |
| Europa League | 67 | 58 | 9 | 12 | 5.267 | 5 | - | 5 | 15 | 1 | - | » All matches |
| Europa League Qual. | 2 | 2 | - | - | 180 | 1 | - | 1 | - | - | - | » All matches |
| Bundesliga | 174 | 161 | 13 | 30 | 14.239 | 11 | 1 | 11 | 37 | 4 | 1 | » All matches |
| DFB-Pokal | 20 | 17 | 3 | 5 | 1.647 | 1 | - | 3 | 4 | - | - | » All matches |
| Franz-Beckenbauer-Supercup | 1 | 1 | - | - | 120 | - | - | - | 1 | - | - | » All matches |
| Premier League | 269 | 258 | 11 | 44 | 22.433 | 18 | - | 30 | 66 | - | 4 | » All matches |
| FA Cup | 18 | 14 | 4 | 1 | 1.386 | - | - | 1 | 6 | - | - | » All matches |
| League Cup | 11 | 8 | 3 | 1 | 755 | 2 | - | - | 3 | - | 1 | » All matches |
| FA Community Shield | 2 | 2 | - | - | 240 | - | - | 1 | - | - | - | » All matches |
| Super League | 44 | 29 | 15 | 6 | 2.737 | 2 | - | 4 | 7 | - | - | » All matches |
| Cup | 4 | 3 | 1 | - | 320 | - | - | 1 | 1 | - | - | » All matches |
| Total | 648 | 582 | 66 | 106 | 51.993 | 42 | 1 | 58 | 149 | 5 | 6 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 18 | 18 | - | 2 | 1.643 | 3 | 1 | - | 5 | - | - | » All matches |
| WC Qualifiers Europe | 26 | 25 | 1 | 7 | 2.224 | 6 | 2 | 4 | 1 | 1 | - | » All matches |
| WC Qualifiers Play-offs | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Friendlies | 41 | 37 | 4 | 21 | 2.966 | 4 | 2 | 4 | 9 | - | - | » All matches |
| EURO | 13 | 13 | - | - | 1.260 | - | - | 1 | 4 | - | - | » All matches |
| EURO Qualifiers | 30 | 30 | - | 9 | 2.604 | 5 | - | 3 | 7 | - | - | » All matches |
| Nations League A | 22 | 22 | - | 1 | 1.977 | - | - | 2 | 6 | 1 | - | » All matches |
| Total | 152 | 147 | 5 | 40 | 12.854 | 18 | 5 | - | 32 | 2 | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO | 4 | 4 | - | 3 | 278 | - | - | 1 | 2 | - | - | » All matches |
| U21 EURO Qualifiers | 1 | - | 1 | - | 9 | - | - | - | - | - | - | » All matches |
| Total | 5 | 4 | 1 | 3 | 287 | - | - | 1 | 2 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U19 EURO Qualifiers | 1 | 1 | - | - | 90 | 1 | - | - | - | - | - | » All matches |
| Total | 1 | 1 | - | - | 90 | 1 | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U17 World Cup | 7 | 7 | - | 5 | 611 | 1 | - | - | 2 | - | - | » All matches |
| U17 Friendlies | 2 | 1 | 1 | 1 | 93 | - | - | - | - | - | - | » All matches |
| U17 EURO | 4 | 4 | - | 1 | 343 | - | - | - | 1 | - | - | » All matches |
| Total | 13 | 12 | 1 | 7 | 1.047 | 1 | - | - | 3 | - | - |
Personal achievements
| Player of the Year | ||
|---|---|---|
| Switzerland | 2017 (National Team) | 2022 (National Team) | 2023 (National Team) | 2024 (National Team) |