| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021/2022 | Primera Division (Costa Rica) | 12 | 680 | 3 | 0 | 0.4 | — |
| 2022/2023 | Primera Division (Costa Rica) | 19 | 949 | 6 | 0 | 0.57 | — |
| 2023/2024 | Primera Division (Costa Rica) | 18 | 710 | 7 | 0 | 0.89 | 6.6 |
| 2024/2025 | Primera Division (Costa Rica) | 36 | 2602 | 15 | 0 | 0.52 | 6.78 |
| 2025/2026 | Liga Nacional | 14 | 761 | 1 | 1 | 0.24 | 6.47 |
| 2025/2026 | Primera Division (Costa Rica) | 10 | 837 | 4 | 2 | 0.65 | 6.78 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-30
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Deportivo Saprissa | 7 | 0 | 1 | 6 | 3 | 0 | 1 | 0 |
 Alajuelense | 6 | 0 | 4 | 2 | 0 | 0 | 1 | 0 |
 Municipal Liberia | 5 | 2 | 1 | 2 | 4 | 0 | 0 | 0 |
 Sporting San José | 5 | 2 | 0 | 3 | 1 | 0 | 2 | 1 |
 Cartaginés | 4 | 0 | 2 | 2 | 1 | 0 | 3 | 0 |
 Herediano | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Pérez Zeledón | 3 | 1 | 2 | 0 | 1 | 0 | 0 | 0 |
 Puntarenas | 3 | 2 | 1 | 0 | 2 | 0 | 1 | 0 |
 Guanacasteca | 3 | 2 | 1 | 0 | 2 | 0 | 1 | 0 |
 Santa Ana | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Guadalupe | 3 | 2 | 1 | 0 | 0 | 0 | 1 | 0 |
 Santos de Guápiles | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 Grecia | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
 Municipal | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Xelajú | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Cobán Imperial | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Cimarrones de Sonora | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Hajdúböszörményi | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Nyírbátori | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Morelia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In the 2025/2026 Primera Division (Costa Rica), Brian Martínez made 10 appearances (837 minutes), with 4 goals and 2 assists — 0.65 goal involvements per 90. His average match rating for that season computes to 6.78.
Season ratings peak at 6.78 in 2024/2025, Primera Division (Costa Rica) and bottom out at 6.47 in 2025/2026.
