| Primera B Nacional 2005 Apertura - Appearances as Referee |  |
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 |
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| 07/10/2005 | C.A.I. de Comodoro Rivadavia | - | San Martín de San Juan | 1:0 | 4 | - | - |
| Primera B Nacional 2005 Apertura - Appearances as Referee | |
|
|
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| 07/10/2005 | C.A.I. de Comodoro Rivadavia | - | San Martín de San Juan | 1:0 | 4 | - | - |
| Complete name: | Mario Prieto |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |