Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 11/2011 - 06/2016 |  | FC Basel 1893 |  Switzerland | Defence | 4 |
| 07/2011 - 08/2011 |  | Liverpool FC |  England | Defence | |
| 08/2010 - 06/2011 |  | VfB Stuttgart |  Germany | Defence | 2 |
| 07/2008 - 08/2010 | | Liverpool FC | England | Defence | 27 |
| 07/2005 - 06/2008 |  | Borussia Dortmund | Germany | Defence | 23 |
| 01/2001 - 06/2005 | | FC Basel 1893 | Switzerland | Defence | 23 |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 3 | 1 | 2 | 1 | 104 | - | - | - | 1 | - | - | » All matches |
| Champions League Qual. | 8 | 5 | 3 | 1 | 484 | 1 | - | - | 1 | - | - | » All matches |
| Europa League | 29 | 28 | 1 | 3 | 2.526 | - | - | 1 | 10 | - | - | » All matches |
| Europa League Qual. | 1 | 1 | - | - | 90 | - | - | - | 1 | - | - | » All matches |
| UI-Cup | 3 | 2 | 1 | 1 | 183 | - | - | - | - | - | - | » All matches |
| Bundesliga | 73 | 64 | 9 | 10 | 5.679 | 1 | - | 6 | 14 | - | - | » All matches |
| DFB-Pokal | 6 | 6 | - | - | 540 | - | - | - | - | - | - | » All matches |
| Premier League | 7 | 3 | 4 | 2 | 333 | - | - | - | 1 | - | 1 | » All matches |
| FA Cup | 1 | 1 | - | 1 | 94 | - | - | - | 1 | - | - | » All matches |
| League Cup | 4 | 4 | - | 4 | 316 | - | - | - | - | - | - | » All matches |
| Super League | 159 | 133 | 26 | 24 | 11.877 | 11 | - | 6 | 28 | - | - | » All matches |
| Cup | 8 | 6 | 2 | - | 609 | - | - | 1 | 1 | - | - | » All matches |
| Total | 302 | 254 | 48 | 47 | 22.835 | 13 | - | - | 58 | - | 1 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 4 | 4 | - | - | 390 | - | - | - | 1 | - | - | » All matches |
| WC Qualifiers Europe | 7 | 7 | - | 1 | 630 | - | - | - | - | - | - | » All matches |
| WC Qualifiers Play-offs | 2 | 2 | - | 1 | 136 | - | - | - | 1 | - | - | » All matches |
| Friendlies | 19 | 14 | 5 | 6 | 1.322 | - | - | - | 3 | - | - | » All matches |
| Total | 32 | 27 | 5 | 8 | 2.478 | - | - | - | 5 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 Friendlies | 6 | 5 | 1 | 2 | 407 | - | - | - | - | - | - | » All matches |
| U21 EURO | 1 | 1 | - | 1 | 83 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 5 | 3 | 2 | - | 377 | - | - | - | - | - | - | » All matches |
| Total | 12 | 9 | 3 | 3 | 867 | - | - | - | - | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 Friendlies | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Total | 2 | 2 | - | - | 180 | - | - | - | - | - | - |