| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Crawley | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.0 |
| 2024/2025 | Crawley | EFL Cup | 1 | 0 | 0 | 1 | 0 | 6.3 |
| 2023/2024 | Crawley | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2022/2023 | Banbury | FA Trophy | 1 | 1 | 0 | 0 | 0 | – |
| 2020/2021 | Kettering | FA Trophy | 1 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Northampton | EFL Trophy | 2 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Northampton | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.2 |
| 2018/2019 | Northampton | EFL Trophy | 4 | 0 | 0 | 1 | 0 | – |
| Total | 12 | 1 | 0 | 2 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 07 ene 2025 | MK Dons | Crawley | Transfer | |
| 01 sept 2025 | Crawley | MK Dons | Transfer | |
| - | Brackley Town | Crawley | Transfer | |
| 07 ene 2023 | Banbury | Brackley Town | Free agent | |
| - | Rushden | Banbury | Free agent | |
| - | Harrogate | Rushden | Free agent | |
| 01 jul 2021 | Kettering | Harrogate | Free agent | |
| - | Wealdstone | Kettering | Free agent | |
| 09 nov 2020 | Northampton | Wealdstone | Free agent | |
| - | Kettering | Northampton | Return from loan | |
| - | Northampton | Kettering | Loan | |
| - | Kettering | Northampton | Return from loan | |
| - | Northampton | Kettering | Loan |
J. Williams career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.