| Serie B | 14/04/21 | Liga de Portoviejo | - | Atlético Porteño | 1:2 |  |
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| Serie B | 06/06/21 | Chacaritas FC | - | Atlético Porteño | 3:0 | |
| Serie B | 14/04/21 | Liga de Portoviejo | - | Atlético Porteño | 1:2 | |
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| Serie B | 06/06/21 | Chacaritas FC | - | Atlético Porteño | 3:0 | |
| Alejandro Fabián Prieto Romero | |
| Born: | 20.04.1991 |
| Place of birth: |
Montevideo, 
Uruguay |
| Nationality: |
Uruguay
|
| Height: | 187 cm |
| Weight: | 80 kg |
| Position(s): | Centre Back |
| Foot: | left |