| Copa Libertadores 1981 - Appearances as Referee |  |
 |
 |
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| 05/05/1981 | Bella Vista | - | Peñarol | 0:0 | - | - | 1 |
| 18/05/1981 | River Plate | - | Rosario Central | 3:2 | - | - | - |
| 23/07/1981 | Flamengo RJ | - | Club Olimpia | 1:1 | - | - | - |
| Copa Libertadores 1981 - Appearances as Referee | |
|
|
||||
| 05/05/1981 | Bella Vista | - | Peñarol | 0:0 | - | - | 1 |
| 18/05/1981 | River Plate | - | Rosario Central | 3:2 | - | - | - |
| 23/07/1981 | Flamengo RJ | - | Club Olimpia | 1:1 | - | - | - |
| Complete name: | Abel Gnecco |
| Born: | 25/11/1942 |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |