| Relegation B Nacional 2007/2008 - Appearances as Referee |  |
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 |
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| 27/06/2008 | Nueva Chicago | - | CA Los Andes | 0:2 | 7 | - | - |
| Relegation B Nacional 2007/2008 - Appearances as Referee | |
|
|
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| 27/06/2008 | Nueva Chicago | - | CA Los Andes | 0:2 | 7 | - | - |
| Complete name: | Guillermo Alejandro Rietti |
| Born: | 30/09/1966 |
| Place of birth: |
Buenos Aires, 
Argentina |
| Nationality: |
Argentina |