| U20 World Cup 1987 in Chile - Appearances as Assistant | ||||
| 12/10/1987 | Italy | - | Canada | 2:2 |
| 14/10/1987 | Brazil | - | Italy | 0:1 |
| U20 World Cup 1987 in Chile - Appearances as Assistant | ||||
| 12/10/1987 | Italy | - | Canada | 2:2 |
| 14/10/1987 | Brazil | - | Italy | 0:1 |
| Complete name: | Octavio Sierra |
| Born: | |
| Place of birth: |
Colombia |
| Nationality: |
Colombia |