Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 05/2003 - 10/2005 |  | Iceland |  Iceland | Manager |
| 04/1993 - 11/1993 |  | Fram Reykjavík | Iceland | Manager |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| Friendlies 2005 | | Iceland | Manager |
| WC Qualifiers Europe 2004/2005 | | Iceland | Manager |
| Friendlies 2004 | | Iceland | Manager |
| Friendlies 2003 | | Iceland | Manager |
| EURO Qualifiers 2002/2003 | | Iceland | Manager |
Career as a player
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 07/1982 - 06/1990 |  | VfB Stuttgart |  Germany | Midfield |
| 07/1981 - 06/1982 |  | Bayern Munich | Germany | Midfield |
| 07/1973 - 06/1981 |  | Standard Liège |  Belgium | Midfield |
| 01/1971 - 06/1973 |  | ÍB Vestmannaeyjar | Iceland | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 6 | 4 | 2 | 1 | 308 | - | - | - | - | - | - | » All matches |
| Europa League | 48 | 46 | 2 | 6 | 4.100 | 11 | 2 | - | - | - | - | » All matches |
| Cup Winners Cup | 4 | 4 | - | - | 360 | 1 | - | - | - | - | - | » All matches |
| Bundesliga | 211 | 198 | 13 | 31 | 17.265 | 39 | 9 | 11 | 20 | - | - | » All matches |
| DFB-Pokal | 27 | 25 | 2 | 3 | 2.433 | - | - | - | 2 | - | - | » All matches |
| Total | 296 | 277 | 19 | 41 | 24.466 | 51 | 11 | - | 22 | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Europe | 20 | 20 | - | - | 1.800 | 3 | 1 | - | - | - | - | » All matches |
| Friendlies | 8 | 7 | 1 | 3 | 635 | 1 | - | - | - | - | - | » All matches |
| EURO Qualifiers | 16 | 16 | - | 1 | 1.425 | 1 | - | - | 2 | - | - | » All matches |
| Total | 44 | 43 | 1 | 4 | 3.860 | 5 | 1 | - | 2 | - | - |