| Super League 1990/1991 Abstieg Gruppe A - Appearances as Referee |  |
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| 03/03/1991 | FC Chiasso | - | FC St. Gallen | 0:3 | 2 | - | - |
| 27/03/1991 | Yverdon Sport FC | - | FC Chiasso | 2:1 | 1 | 1 | - |
| Super League 1990/1991 Abstieg Gruppe A - Appearances as Referee | |
|
|
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| 03/03/1991 | FC Chiasso | - | FC St. Gallen | 0:3 | 2 | - | - |
| 27/03/1991 | Yverdon Sport FC | - | FC Chiasso | 2:1 | 1 | 1 | - |
| Complete name: | Werner Müller |
| Born: | 20/11/1951 † 02/03/2006 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |