| Super League 1990/1991 Abstieg Gruppe A - Appearances as Referee |  |
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| 27/03/1991 | FC Wettingen | - | FC Basel | 1:3 | 4 | 1 | - |
| Super League 1990/1991 Abstieg Gruppe A - Appearances as Referee | |
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| 27/03/1991 | FC Wettingen | - | FC Basel | 1:3 | 4 | 1 | - |
| Complete name: | Erwin Schuler |
| Born: | 18/01/1955 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |