Domingo Massaro Conley - Football referee
| Copa Libertadores 1989 | ||||
| group stage | Cobreloa | Colo-Colo | 1989-03-29 | 2 - 2 |
| Intercontinetal Cup | ||||
| 2nd leg | Estudiantes | AC Milan | 1969-10-22 | 2 - 1 |
| WC 1970 qualifiers - S. America | ||||
| Paraguay | Brazil | 1969-08-17 | 0 - 3 | |
| Copa Libertadores 1969 | ||||
| final (1st leg) | Nacional (UR) | Estudiantes | 1969-05-15 | 0 - 1 |
| group stage | Cerro Porteno | BolÃvar | 1969-03-02 | 1 - 1 |
| Copa Libertadores 1968 | ||||
| final (2nd leg) | Palmeiras | Estudiantes | 1968-05-07 | 3 - 1 |
| group stage | Sporting Cristal | Jorge Wilstermann | 1968-02-19 | 2 - 0 |
| group stage | Peñarol | Nacional (UR) | 1968-02-02 | 1 - 0 |
| Copa Libertadores 1967 | ||||
| group stage | Ind. Medellin | 31 de Octubre | 1967-05-10 | 3 - 0 |
| group stage | Sport Boys | Cruzeiro | 1967-05-01 | 1 - 2 |
| group stage | Ind. Medellin | River Plate | 1967-04-05 | 0 - 1 |
| group stage | Santa Fe | River Plate | 1967-04-02 | 2 - 2 |
| group stage | Deportivo Italia | Deportivo Galicia | 1967-02-11 | 1 - 0 |
| Copa Libertadores 1966 | ||||
| group stage | Universidad Católica | Universidad de Chile | 1966-03-20 | 2 - 2 |
| Copa Libertadores 1963 | ||||
| group stage | Everest CD | Peñarol | 1963-06-09 | 0 - 5 |
| Copa Libertadores 1962 | ||||
| group stage | Nacional (UR) | Sporting Cristal | 1962-02-10 | 3 - 2 |
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