| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011/2012 | Primera Division (Costa Rica) | 4 | — | 0 | 0 | — | — |
| 2014/2015 | Primera Division (Costa Rica) | 29 | — | 3 | 0 | — | — |
| 2015/2016 | Primera Division (Costa Rica) | 4 | — | 2 | 0 | — | — |
| 2016/2017 | Primera Division (Costa Rica) | 1 | 90 | 0 | 0 | 0 | — |
| 2016 | Major League Soccer (United States) | 4 | 284 | 0 | 0 | 0 | 6.94 |
| 2017/2018 | Primera Division (Costa Rica) | 36 | 3229 | 0 | 0 | 0 | — |
| 2018 | Concacaf League | 7 | 630 | 1 | 0 | 0.14 | — |
| 2018/2019 | Primera Division (Costa Rica) | 32 | 2818 | 1 | 0 | 0.03 | — |
| 2019 | Concacaf League | 2 | 210 | 1 | 0 | 0.43 | — |
| 2019/2020 | Primera Division (Costa Rica) | 38 | 3350 | 2 | 0 | 0.05 | — |
| 2020/2021 | Primera Division (Costa Rica) | 22 | 1872 | 0 | 0 | 0 | — |
| 2020 | Concacaf League | 1 | 90 | 0 | 0 | 0 | — |
| 2021/2022 | Primera Division (Costa Rica) | 13 | 902 | 1 | 0 | 0.1 | — |
| 2022/2023 | Primera Division (Costa Rica) | 10 | 825 | 0 | 0 | 0 | — |
| 2023/2024 | Primera Division (Costa Rica) | 2 | 58 | 0 | 0 | — | — |
| 2024/2025 | Primera Division (Costa Rica) | 24 | 2003 | 1 | 0 | 0.04 | 6.7 |
| 2025/2026 | Primera Division (Costa Rica) | 20 | 1668 | 1 | 0 | 0.05 | 6.54 |
| 2026/2027 | Primera Division (Costa Rica) | 5 | 450 | 0 | 0 | 0 | 6.27 |
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 2026-09-01
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Deportivo Saprissa | 7 | 4 | 1 | 2 | 0 | 0 | 1 | 0 |
 Cartaginés | 5 | 3 | 1 | 1 | 0 | 0 | 1 | 0 |
 San Carlos | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Alajuelense | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 Tigres UANL | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Olimpia | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Real Salt Lake | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Atlanta United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Santos de Guápiles | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Motagua | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Puntarenas | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Municipal Liberia | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Sporting San José | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 |
 RC Lauwe | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Guadalupe | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 LA Galaxy | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Herediano | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 América | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Pérez Zeledón | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Árabe Unido | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Panama | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Korea Republic | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 United States | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Mexico | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Japan | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Spain | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Colombia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Paraguay | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Haiti | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Curacao | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Keyner Brown's 5 outings in the 2026/2027 Primera Division (Costa Rica) (450 minutes) produced no goals and no assists. That season graded out at an average match rating of 6.27.
Season ratings peak at 6.7 in 2024/2025, Primera Division (Costa Rica) and bottom out at 6.27 in 2026/2027.
