| Primera División 1989/1990 - Appearances as Referee |  |
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 |
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| 09/12/1989 | CA Osasuna | - | Real Zaragoza | 2:0 | 7 | 1 | - |
| Primera División 1989/1990 - Appearances as Referee | |
|
|
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| 09/12/1989 | CA Osasuna | - | Real Zaragoza | 2:0 | 7 | 1 | - |
| Complete name: | Leonardo Esteban Díaz |
| Born: | 01/04/1949 |
| Place of birth: |
Gijón, 
Spain |
| Nationality: |
Spain |