| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2012 | Primera B | 10 | — | 0 | — | — | — |
| 2013 | Primera B | 8 | — | 0 | — | — | — |
| 2017/2018 | LPF | 13 | 1107 | 0 | 0 | 0 | — |
| 2018 | Concacaf League | 4 | 360 | 0 | 0 | 0 | — |
| 2018/2019 | LPF | 6 | 540 | 1 | 0 | 0.17 | — |
| 2018/2019 | Lpf | 6 | 540 | 1 | 0 | 0.17 | — |
| 2019 | Primera B | 4 | 207 | 0 | 0 | 0 | — |
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 2026-09-06
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Herediano | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Diriangén | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 San Francisco | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
All of Guillermo Sierra Sierra's 2018/2019 Lpf output came as goals: 1 goal in 6 games (540 minutes) — 0.17 goal involvements per 90.
Between 2012 and 2019 he logged 7 league seasons across 5 clubs.
By competition, the recorded league record breaks down across 3 domestic leagues: Primera B (22 appearances, 0 goals), LPF (19 appearances, 1 goal) and Lpf (6 appearances, 1 goal).
