Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 03/2014 - 04/2014 |  | Sydney Olympic |  Australia | Defence | 16 |
| 07/2012 - 06/2013 |  | VfL Wolfsburg |  Germany | Defence | 16 |
| 01/2012 - 06/2012 |  | Sunderland AFC |  England | Defence | 25 |
| 08/2011 - 01/2012 | | VfL Wolfsburg | Germany | Defence | 16 |
| 08/2009 - 06/2011 |  | Liverpool FC | England | Defence | 16 |
| 08/2008 - 08/2009 |  | AEK Athen |  Greece | Defence | 25 |
| 07/2006 - 06/2008 |  | Eintracht Frankfurt | Germany | Defence | 27 |
| 07/2005 - 06/2006 |  | Rangers FC |  Scotland | Defence | 14 |
| 01/2005 - 06/2005 | | Rangers FC | Scotland | Defence | 16 |
| 07/2001 - 01/2005 |  | Panathinaikos A.O. | Greece | Defence | 16 |
| 07/2000 - 06/2001 |  | OFI Heraklion | Greece | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 29 | 29 | - | 2 | 2.535 | 1 | - | 1 | 6 | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | 2 | - | - | » All matches |
| Europa League | 28 | 24 | 4 | - | 2.336 | - | - | - | 3 | - | - | » All matches |
| Europa League Qual. | 4 | 4 | - | - | 360 | - | - | - | - | - | - | » All matches |
| Bundesliga | 60 | 57 | 3 | 6 | 5.108 | 8 | - | - | 10 | 1 | 2 | » All matches |
| DFB-Pokal | 5 | 5 | - | 1 | 436 | 1 | - | - | 1 | - | - | » All matches |
| Premier League | 33 | 25 | 8 | 2 | 2.468 | 3 | - | 1 | 3 | - | 1 | » All matches |
| FA Cup | 1 | 1 | - | 1 | 53 | - | - | - | - | - | - | » All matches |
| League Cup | 3 | 3 | - | - | 300 | - | - | - | 1 | - | - | » All matches |
| Super League | 79 | 76 | 3 | 4 | 6.842 | 5 | - | - | 24 | - | - | » All matches |
| Kypello Elladas | 1 | 1 | - | 1 | 32 | - | - | - | - | 1 | - | » All matches |
| Premiership | 43 | 43 | - | 5 | 3.717 | 1 | - | - | 8 | 2 | - | » All matches |
| Total | 288 | 270 | 18 | 22 | 24.367 | 19 | - | 2 | 58 | 4 | 3 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | World Cup | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| WC Qualifiers Europe | 12 | 11 | 1 | 2 | 929 | - | - | - | 4 | - | - | » All matches |
| WC Qualifiers Play-offs | 2 | 2 | - | - | 180 | - | - | - | 1 | - | - | » All matches |
| Friendlies | 27 | 22 | 5 | 12 | 1.750 | 1 | - | - | - | - | - | » All matches |
| Confederations Cup | 2 | 2 | - | - | 180 | - | - | - | 1 | - | - | » All matches |
| EURO | 3 | 3 | - | 1 | 242 | - | - | - | - | - | - | » All matches |
| EURO Qualifiers | 13 | 13 | - | - | 1.170 | 3 | - | - | 2 | - | - | » All matches |
| Total | 61 | 55 | 6 | 15 | 4.631 | 4 | - | - | 8 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO | 3 | 3 | - | 2 | 222 | - | - | - | - | - | - | » All matches |
| U21 EURO Qualifiers | 6 | 6 | - | - | 540 | - | - | - | 2 | - | - | » All matches |
| Total | 9 | 9 | - | 2 | 762 | - | - | - | 2 | - | - |