| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2009 | Serie A | 1 | — | 0 | 0 | — | — |
| 2010 | Serie B | 7 | — | 0 | 0 | — | — |
| 2011 | Serie A | 23 | — | 0 | 0 | — | — |
| 2013 | Serie A | 20 | 1650 | 0 | 0 | 0 | — |
| 2014 | Serie A | 9 | 117 | 0 | 0 | 0 | — |
| 2015 | Serie A | 3 | 116 | 0 | 0 | 0 | 6.73 |
| 2016 | Serie A | 33 | 2886 | 2 | 1 | 0.09 | 7.1 |
| 2017 | Serie A | 10 | 852 | 0 | 0 | 0 | 7.12 |
| 2018 | Serie A | 21 | 1512 | 0 | 1 | 0.06 | 6.83 |
| 2019 | Serie B | 14 | 1201 | 0 | 0 | 0 | 6.87 |
| 2019 | Serie A | 1 | 15 | 0 | 0 | — | 6.73 |
| 2020 | Serie A | 4 | 347 | 0 | 0 | 0 | 6.73 |
| 2020/2021 | UAE Pro League | 8 | 564 | 0 | 0 | 0 | — |
| 2021 | Serie B | 34 | 2706 | 0 | 0 | 0 | 7.05 |
| 2022 | Serie A | 21 | 1598 | 0 | 0 | 0 | 6.96 |
| 2023 | Serie A | 16 | 958 | 0 | 0 | 0 | 6.73 |
| 2024 | Serie B | 24 | 1177 | 0 | 0 | 0 | 6.76 |
| 2025 | Serie B | 15 | 617 | 0 | 0 | 0 | 6.75 |
| 2026 | Serie C | 10 | 884 | 2 | 0 | 0.2 | 6.92 |
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 2026-07-23
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Corinthians | 16 | 1 | 2 | 13 | 0 | 0 | 4 | 0 |
 Santos | 15 | 4 | 2 | 9 | 0 | 0 | 6 | 1 |
 Athletico PR | 14 | 7 | 1 | 6 | 0 | 0 | 1 | 1 |
 Atlético Mineiro | 11 | 4 | 3 | 4 | 0 | 0 | 3 | 0 |
 Flamengo | 10 | 2 | 2 | 6 | 0 | 0 | 0 | 0 |
 Goiás | 10 | 5 | 2 | 3 | 0 | 0 | 2 | 0 |
 Bahia | 9 | 2 | 4 | 3 | 0 | 0 | 3 | 0 |
 Internacional | 9 | 4 | 2 | 3 | 0 | 0 | 2 | 0 |
 Botafogo | 9 | 4 | 3 | 2 | 0 | 0 | 0 | 0 |
 Grêmio | 9 | 5 | 2 | 2 | 0 | 0 | 3 | 0 |
 São Paulo | 9 | 2 | 1 | 6 | 0 | 0 | 2 | 0 |
 Chapecoense | 8 | 6 | 1 | 1 | 0 | 0 | 1 | 0 |
 Cruzeiro | 8 | 2 | 2 | 4 | 0 | 0 | 1 | 0 |
 Coritiba | 8 | 4 | 2 | 2 | 0 | 0 | 1 | 0 |
 América Mineiro | 8 | 3 | 3 | 2 | 0 | 0 | 2 | 0 |
 Avaí | 8 | 4 | 3 | 1 | 0 | 0 | 3 | 0 |
 Sport Recife | 7 | 4 | 3 | 0 | 0 | 0 | 0 | 0 |
 Palmeiras | 7 | 2 | 2 | 3 | 0 | 0 | 2 | 0 |
 Ponte Preta | 7 | 2 | 1 | 4 | 0 | 0 | 2 | 0 |
 Botafogo SP | 6 | 3 | 2 | 1 | 0 | 0 | 1 | 0 |
All of Willian Farias's 2026 Serie C output came as goals: 2 goals in 10 games (884 minutes) — 0.2 goal involvements per 90. That season graded out at an average match rating of 6.92.
2017 stands as his highest-rated season (7.12, Serie A), with 2023 the weakest (6.73).
