| Primera División 2020 Fase Campeón - Appearances as Assistant | ||||
| 30/12/2020 | Atlético Tucumán | - | San Lorenzo | 1:3 |
| 10/01/2021 | Argentinos Juniors | - | Boca Juniors | 2:2 |
| Primera División 2020 Fase Campeón - Appearances as Assistant | ||||
| 30/12/2020 | Atlético Tucumán | - | San Lorenzo | 1:3 |
| 10/01/2021 | Argentinos Juniors | - | Boca Juniors | 2:2 |
| Complete name: | Julio Javier Esteban Fernández |
| Born: | 27/07/1980 |
| Place of birth: |
Córdoba, 
Argentina |
| Nationality: |
Argentina |