| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2020/2021 | Liga de Expansión MX | 26 | 2168 | 0 | 0 | 0 | — |
| 2021/2022 | Liga de Expansión MX | 6 | 462 | 0 | 0 | 0 | — |
| 2022/2023 | Liga de Expansión MX | 1 | 12 | 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.
Cohort: 85 Liga de Expansión MX midfielders, 2021/2022, 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 2026-09-05
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Celaya | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 Universidad Guadalajara | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Cafetaleros de Tapachula | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Cimarrones de Sonora | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Liverpool | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Querétaro | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Necaxa | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Al Hilal | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Al Sadd | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Venados | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Correcaminos UAT | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Tampico Madero | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Alebrijes | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Tapatío | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Cancún | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Pumas Tabasco | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Raya2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
William Sergio Mejía Castillo went through 6 Liga de Expansión MX appearances in 2021/2022 (462 minutes) without a goal or an assist. By goal involvements per 90 he stood in the 40th percentile of 85 Liga de Expansión MX midfielders with 450+ minutes in 2021/2022, and 52nd of 85 for goals scored.
The database holds 3 league seasons for him, between 2020 and 2022 across 3 clubs.
