| Copa Libertadores 1973 - Appearances as Referee |  |
 |
 |
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| 27/02/1973 | Oriente Petrolero | - | San Lorenzo | 0:3 | - | - | - |
| 29/05/1973 | Colo-Colo | - | Independiente | 0:0 | - | - | - |
| Copa Libertadores 1973 - Appearances as Referee | |
|
|
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| 27/02/1973 | Oriente Petrolero | - | San Lorenzo | 0:3 | - | - | - |
| 29/05/1973 | Colo-Colo | - | Independiente | 0:0 | - | - | - |
| Complete name: | Romualdo Arppi Filho |
| Born: | 07/01/1939 |
| Place of birth: |
Santos, São Paulo, 
Brazil |
| Nationality: |
Brazil |