 Club Atlético San Martín San Juan |
| Address: | Mendoza 1164 Norte B. de Concepción Provincia de San Juan |
| Telephone: | (0264) 421-3017 |
| Founded: | 27-Sep-1907 |
| President: | Pablo SLAVUTSQUI |
| Official website: | www.soyverdinegro.com.ar |
| Name: | Hilario Sánchez |
| Capacity: | 20,000 |
| Nacional B 2021 | |
|
| 28-Aug-2021 | Nacional B (23) | San Telmo | 2-1 | San Martín (SJ) |
| 03-Sep-2021 | Nacional B (24) | San Martín (SJ) | 1-0 | Defensores |
| 10-Sep-2021 | Nacional B (25) | Santamarina | 0-0 | San Martín (SJ) |
| 17-Sep-2021 | Nacional B (26) | San Martín (SJ) | 1-1 | Almagro |
| 25-Sep-2021 | Nacional B (27) | Atlético Guemes | 1-0 | San Martín (SJ) |
| 02-Oct-2021 | Nacional B (28) | San Martín (SJ) | 1-1 | Deportivo Morón |
| 11-Oct-2021 | Nacional B (29) | Ferro | 3-2 | San Martín (SJ) |
| 17-Oct-2021 | Nacional B (30) | San Martín (SJ) | 4-0 | Tristan Suárez |
| 24-Oct-2021 | Nacional B (31) | Gimnasia (J) | - | San Martín (SJ) |
| 30-Oct-2021 | Nacional B (32) | San Martín (SJ) | - | Instituto |
| 06-Nov-2021 | Nacional B (33) | Barracas Central | - | San Martín (SJ) |
| 13-Nov-2021 | Nacional B (34) | San Martín (SJ) | - | Independiente Rivadavia |
