| Champions League 1973/1974 - Appearances as Referee |  |
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| 10/04/1974 | Újpesti Dózsa SC | - | Bayern München | 1:1 | 2 | - | - |
| Champions League 1973/1974 - Appearances as Referee | |
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| 10/04/1974 | Újpesti Dózsa SC | - | Bayern München | 1:1 | 2 | - | - |
| Complete name: | Sergio Gonella |
| Born: | 23/05/1933 † 19/06/2018 |
| Place of birth: |
Asti, Piemonte, 
Italy |
| Nationality: |
Italy |
| Profession: | Bankkaufmann |