| Copa Libertadores 1977 - Appearances as Referee |  |
 |
 |
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| 03/04/1977 | El Nacional | - | Deportivo Cuenca | 0:0 | - | - | - |
| 27/05/1977 | Estudiantes de Mérida | - | Sport Boys | 1:0 | - | - | 3 |
| Copa Libertadores 1977 - Appearances as Referee | |
|
|
||||
| 03/04/1977 | El Nacional | - | Deportivo Cuenca | 0:0 | - | - | - |
| 27/05/1977 | Estudiantes de Mérida | - | Sport Boys | 1:0 | - | - | 3 |
| Complete name: | Guillermo Velásquez Elizalde |
| Born: | 00/00/1933 |
| Place of birth: |
Pereira, 
Colombia |
| Nationality: |
Colombia |