Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/1995 - 06/2003 |  | Bolton Wanderers |  England | Defence | 12 |
| 01/1994 - 12/1994 |  | Valur Reykjavík |  Iceland | Defence | |
| 10/1988 - 12/1993 |  | Tottenham Hotspur | England | Defence | |
| 01/1983 - 09/1988 | | Valur Reykjavík | Iceland | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Europa League | 4 | 4 | - | 1 | 352 | - | - | - | - | - | - | » All matches |
| Cup Winners Cup | 5 | 4 | 1 | - | 368 | - | - | - | - | - | - | » All matches |
| Cup Winners Cup Qualifiers | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Premier League | 201 | 180 | 21 | 13 | 16.239 | 10 | - | 4 | 20 | - | 2 | » All matches |
| Championship | 132 | 126 | 6 | 10 | 11.166 | 15 | - | - | 11 | 2 | - | » All matches |
| FA Cup | 16 | 14 | 2 | 3 | 1.199 | 1 | - | - | 1 | - | - | » All matches |
| League Cup | 31 | 27 | 4 | 5 | 2.698 | 1 | - | - | 2 | - | - | » All matches |
| Total | 391 | 357 | 34 | 32 | 32.202 | 27 | - | - | 34 | 2 | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Europe | 23 | 23 | - | - | 2.070 | - | - | - | - | - | - | » All matches |
| Friendlies | 25 | 23 | 2 | 4 | 2.012 | - | - | - | 2 | - | - | » All matches |
| EURO Qualifiers | 22 | 22 | - | 2 | 1.956 | 1 | - | - | 1 | - | - | » All matches |
| Total | 70 | 68 | 2 | 6 | 6.038 | 1 | - | - | 3 | - | - |