| U20 World Cup 1999 Nigeria - Appearances as Assistant | ||||
| 05/04/1999 | Cameroon | - | Japan | 2:1 |
| 08/04/1999 | Cameroon | - | England | 1:0 |
| 11/04/1999 | Cameroon | - | USA | 1:3 |
| 14/04/1999 | Paraguay | - | Uruguay | 9:10 pso |
| U20 World Cup 1999 Nigeria - Appearances as Assistant | ||||
| 05/04/1999 | Cameroon | - | Japan | 2:1 |
| 08/04/1999 | Cameroon | - | England | 1:0 |
| 11/04/1999 | Cameroon | - | USA | 1:3 |
| 14/04/1999 | Paraguay | - | Uruguay | 9:10 pso |
| Complete name: | Walter Rivera |
| Born: | 02/01/1966 |
| Place of birth: |
Honduras |
| Nationality: |
Honduras |