| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017 | USL Championship | 2 | 0 | 0 | 0 | — | — |
| 2016/2017 | Primera B Metropolitana | 30 | 2700 | 3 | 0 | 0.1 | — |
| 2017/2018 | Primera B Nacional | 21 | 1850 | 2 | 0 | 0.1 | — |
| 2018/2019 | Liga Profesional de Fútbol | 1 | 90 | 0 | 0 | 0 | — |
| 2019/2020 | Liga Profesional de Fútbol | 18 | 1064 | 0 | 0 | 0 | 7.08 |
| 2020/2021 | Liga Profesional de Fútbol | 7 | 581 | 0 | 0 | 0 | 6.9 |
| 2021 | Liga Profesional de Fútbol | 28 | 2343 | 2 | 0 | 0.08 | 7.09 |
| 2022 | Liga Profesional de Fútbol | 24 | 2070 | 1 | 1 | 0.09 | 7.41 |
| 2023 | Liga Profesional de Fútbol | 1 | 90 | 0 | 1 | 1 | 7.31 |
| 2023/2024 | Liga MX | 4 | 276 | 0 | 0 | 0 | 6.93 |
| 2024/2025 | Liga MX | 20 | 1086 | 0 | 0 | 0 | 7.01 |
| 2025/2026 | Liga MX | 31 | 1067 | 0 | 0 | 0 | 7 |
Domestic league competitions only; G+A/90 computed from minutes actually played.
Cohort: 100 Liga MX defenders, 2025/2026, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-07
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Boca Juniors | 6 | 0 | 2 | 4 | 0 | 0 | 1 | 0 |
 Vélez Sarsfield | 6 | 0 | 4 | 2 | 0 | 0 | 3 | 0 |
 Gimnasia La Plata | 5 | 0 | 4 | 1 | 1 | 0 | 4 | 1 |
 Defensa y Justicia | 5 | 3 | 1 | 1 | 0 | 1 | 1 | 0 |
 Monterrey | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Puebla | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Club Atletico Colón | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Juárez | 4 | 0 | 1 | 3 | 0 | 0 | 1 | 0 |
 Patronato | 4 | 3 | 0 | 1 | 0 | 0 | 1 | 0 |
 Lanús | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 River Plate | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Pachuca | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Atlético Tucumán | 4 | 0 | 3 | 1 | 1 | 0 | 2 | 0 |
 Independiente | 4 | 1 | 1 | 2 | 0 | 1 | 1 | 0 |
 Tijuana | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 Newell's Old Boys | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 San Lorenzo | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Querétaro | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Atlas | 3 | 1 | 1 | 1 | 0 | 1 | 2 | 0 |
 Banfield | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 0 |
In the 2025/2026 Liga MX, Lucas Merolla played 31 games (1,067 minutes) without a direct goal contribution. GioScore's computed rating for the season averages 7. Measured against the 100 Liga MX defenders who played 450+ minutes in 2025/2026, he ranks in the top 7% by match rating; on goals he ranks 31st of 100.
His best-rated season remains 2022 (7.41, Liga Profesional de Fútbol); his lowest was 2020/2021 (6.9).
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Huracán | 2018/2019 - 2022/2023 | 89 | 3 | 2 | 7027 | — | — | 7.16 |
| Mazatlán | 2023/2024 - now | 55 | 1 | 0 | 2958 | — | — | 6.98 |
| Deportivo Español | 2016/2017 | 30 | 3 | 0 | 2700 | — | — | — |
| Guillermo Brown | 2017/2018 | 22 | 2 | 0 | 1940 | — | — | — |
| Total | 196 | 9 | 2 | 14625 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Mazatlán | 31 | 0 | — | 1596 | 7 | 0 | 7.00 |
| 24/25 | Mazatlán | 20 | 1 | — | 1086 | 6 | 1 | 7.01 |
| 23/24 | Mazatlán | 4 | 0 | — | 276 | 3 | 0 | 6.93 |
| 21/22 | Huracán | 25 | 1 | — | 2165 | 11 | 0 | 7.41 |
| 20/21 | Huracán | 35 | 2 | — | 2924 | 14 | 1 | 7.00 |
| 19/20 | Huracán | 23 | 0 | — | 1514 | 8 | 1 | 7.08 |
| 18/19 | Huracán | 5 | 0 | — | 334 | 1 | 0 | — |
| 17/18 | Guillermo Brown | 21 | 2 | — | 1850 | 1 | 0 | — |
| 16/17 | Deportivo Español | 30 | 3 | — | 2700 | 7 | 0 | — |
