| Champions League 1998/1999 - Appearances as Referee |  |
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| 21/10/1998 | Olympiakos Piraeus | - | AFC Ajax | 1:0 | 7 | - | - |
| 07/04/1999 | Manchester United | - | Juventus | 1:1 | 1 | - | - |
| Champions League 1998/1999 - Appearances as Referee | |
|
|
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| 21/10/1998 | Olympiakos Piraeus | - | AFC Ajax | 1:0 | 7 | - | - |
| 07/04/1999 | Manchester United | - | Juventus | 1:1 | 1 | - | - |
| Complete name: | Manuel Díaz Vega |
| Born: | 01/09/1954 |
| Place of birth: |
Spain |
| Nationality: |
Spain |