| Copa Libertadores 1991 - Appearances as Referee |  |
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 |
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| 19/02/1991 | Barcelona | - | LDU Quito | 0:1 | - | - | 1 |
| 18/03/1991 | Deportes Concepción | - | LDU Quito | 3:0 | - | - | 5 |
| 15/04/1991 | Deportivo Táchira | - | Flamengo RJ | 2:3 | - | - | 2 |
| Copa Libertadores 1991 - Appearances as Referee | |
|
|
||||
| 19/02/1991 | Barcelona | - | LDU Quito | 0:1 | - | - | 1 |
| 18/03/1991 | Deportes Concepción | - | LDU Quito | 3:0 | - | - | 5 |
| 15/04/1991 | Deportivo Táchira | - | Flamengo RJ | 2:3 | - | - | 2 |
| Complete name: | Armando Hoyos Perez |
| Born: | 05/05/1952 |
| Place of birth: |
Colombia |
| Nationality: |
Colombia |