| Super League 1990/1991 Championship - Appearances as Referee |  |
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| 06/04/1991 | FC Lugano | - | FC Sion | 1:1 | 3 | - | - |
| 31/05/1991 | FC Lugano | - | Servette FC | 1:1 | - | - | - |
| Super League 1990/1991 Championship - Appearances as Referee | |
|
|
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| 06/04/1991 | FC Lugano | - | FC Sion | 1:1 | 3 | - | - |
| 31/05/1991 | FC Lugano | - | Servette FC | 1:1 | - | - | - |
| Complete name: | Werner Müller |
| Born: | 20/11/1951 † 02/03/2006 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |