| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Philadelphia Union | MLS | 11 | 1 | 0 | 0 | 0 | 6.7 |
| 2025 | Philadelphia Union | MLS | 34 | 6 | 2 | 2 | 0 | 6.9 |
| 2024 | St. Louis City | MLS | 25 | 2 | 3 | 4 | 0 | 6.8 |
| 2023 | St. Louis City | MLS | 36 | 2 | 4 | 2 | 0 | 6.8 |
| 2022 | Inter Miami | MLS | 22 | 2 | 0 | 3 | 0 | 6.5 |
| 2021/2022 | Aston Villa U23 | Premier League 2 | 5 | 2 | 1 | 2 | 0 | – |
| 2021 | Inter Miami | MLS | 21 | 3 | 0 | 0 | 0 | 6.6 |
| 2020/2021 | Cheltenham | League Two | 12 | 0 | 0 | 0 | 0 | 6.4 |
| 2020/2021 | Burton | League One | 12 | 0 | 0 | 1 | 0 | 6.6 |
| 2020/2021 | Aston Villa U23 | Premier League 2 | 1 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Aston Villa | Premier League | 4 | 0 | 0 | 0 | 0 | 6.2 |
| 2019/2020 | Aston Villa U23 | Premier League 2 | 14 | 6 | 2 | 1 | 0 | – |
| 2018/2019 | Aston Villa U18 | Premier League U18 | 3 | 3 | 0 | 0 | 0 | – |
| 2018/2019 | Aston Villa U23 | Premier League 2 | 9 | 0 | 0 | 0 | 0 | – |
| Total | 209 | 27 | 12 | 15 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | St. Louis City | Philadelphia Union | Transfer | |
| - | Aston Villa | St. Louis City | Free agent | |
| - | St. Louis City | Aston Villa | Return from loan | |
| 11 nov 2022 | Aston Villa | St. Louis City | Loan | |
| 11 oct 2022 | Inter Miami | Aston Villa | Return from loan | |
| 05 may 2022 | Aston Villa | Inter Miami | Loan | |
| - | Inter Miami | Aston Villa | Return from loan | |
| 07 jul 2021 | Aston Villa | Inter Miami | Loan | |
| - | Cheltenham | Aston Villa | Return from loan | |
| - | Aston Villa | Cheltenham | Loan | |
| - | Burton | Aston Villa | Return from loan | |
| - | Aston Villa | Burton | Loan | |
| 10 ene 2017 | IMG Academy FL | Aston Villa | Free agent |
I. Vassilev career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.