| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2009/2010 | Superliga (Romania) | 1 | — | 0 | 0 | — | — |
| 2010/2011 | Superliga (Romania) | 11 | — | 0 | 0 | — | — |
| 2011/2012 | Superliga (Romania) | 4 | — | 0 | 0 | — | — |
| 2012/2013 | Superliga (Romania) | 2 | 180 | 0 | 0 | 0 | — |
| 2013/2014 | Superliga (Romania) | 24 | 1800 | 7 | 0 | 0.35 | — |
| 2014/2015 | Championship (England) | 5 | 254 | 1 | 0 | 0.35 | — |
| 2014/2015 | First League | 19 | 1620 | 10 | 0 | 0.56 | — |
| 2015/2016 | Championship (England) | 2 | 9 | 0 | 0 | — | — |
| 2015/2016 | Serie B | 10 | 535 | 1 | 0 | 0.17 | — |
| 2016/2017 | Superliga (Romania) | 9 | 495 | 2 | 0 | 0.36 | — |
| 2017/2018 | First League | 29 | 1661 | 8 | 1 | 0.49 | — |
| 2018/2019 | First League | 18 | 630 | 2 | 1 | 0.43 | — |
| 2019/2020 | Superliga (Romania) | 30 | 2431 | 10 | 0 | 0.37 | — |
| 2020/2021 | Superliga (Romania) | 10 | 462 | 2 | 1 | 0.58 | — |
| 2021 | K League 1 | 18 | 715 | 1 | 1 | 0.25 | 6.81 |
| 2021/2022 | Superliga (Romania) | 4 | 67 | 0 | 0 | — | — |
| 2022/2023 | Superliga (Romania) | 16 | 379 | 0 | 1 | 0.24 | 6.63 |
| 2023/2024 | Superliga (Romania) | 30 | 1541 | 3 | 1 | 0.23 | 6.92 |
| 2024/2025 | Superliga (Romania) | 32 | 1193 | 3 | 2 | 0.38 | 6.91 |
| 2025/2026 | Superliga (Romania) | 37 | 1401 | 8 | 2 | 0.64 | 6.79 |
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 2026-07-28
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 UTA Arad | 9 | 2 | 3 | 4 | 2 | 0 | 0 | 0 |
 Otelul | 8 | 3 | 1 | 4 | 0 | 1 | 1 | 0 |
 Botoşani | 8 | 4 | 0 | 4 | 2 | 0 | 0 | 0 |
 Petrolul 52 | 8 | 1 | 5 | 2 | 3 | 0 | 0 | 0 |
 Rapid Bucuresti | 7 | 4 | 0 | 3 | 2 | 1 | 1 | 0 |
 Universitatea Cluj | 7 | 2 | 1 | 4 | 1 | 1 | 0 | 0 |
 Dinamo Bucureşti | 6 | 0 | 1 | 5 | 0 | 0 | 1 | 0 |
 Farul Constanța | 6 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
 FCSB | 5 | 0 | 3 | 2 | 0 | 1 | 1 | 0 |
 CFR Cluj | 5 | 0 | 1 | 4 | 1 | 0 | 0 | 0 |
 Sepsi | 5 | 2 | 1 | 2 | 0 | 1 | 0 | 0 |
 Unirea Slobozia | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 0 |
 Universitatea Craiova | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 Voluntari | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 CSM Iaşi | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Komárno | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 U Craiova 1948 | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 SCM Gloria Buzau | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Leeds United | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Brentford | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kazakhstan U21 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
Across 37 Superliga (Romania) appearances in 2025/2026, Sergiu Buş contributed 8 goals plus 2 assists (1,401 minutes) — 0.64 goal involvements per 90. Per-match rating over the season: 6.79.
Season ratings peak at 6.92 in 2023/2024, Superliga (Romania) and bottom out at 6.63 in 2022/2023.
