| Primera División 2011/2012 Apertura - Appearances as Referee |  |
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 |
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| 21/08/2011 | Cerrito | - | Racing | 0:0 | 5 | - | - |
| 11/09/2011 | Cerro Largo | - | Liverpool | 1:0 | 2 | 2 | - |
| 02/10/2011 | Rentistas | - | Peñarol | 0:3 | 5 | - | - |
| 06/11/2011 | Nacional | - | Fénix | 0:0 | 8 | - | - |
| Primera División 2011/2012 Apertura - Appearances as Referee | |
|
|
||||
| 21/08/2011 | Cerrito | - | Racing | 0:0 | 5 | - | - |
| 11/09/2011 | Cerro Largo | - | Liverpool | 1:0 | 2 | 2 | - |
| 02/10/2011 | Rentistas | - | Peñarol | 0:3 | 5 | - | - |
| 06/11/2011 | Nacional | - | Fénix | 0:0 | 8 | - | - |
| Complete name: | Gustavo Siegler |
| Born: | 17/09/1969 |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |