| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Gillingham | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.0 |
| 2024/2025 | Gillingham | EFL Trophy | 3 | 0 | 0 | 0 | 0 | 7.1 |
| 2024/2025 | Gillingham | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.2 |
| 2023/2024 | Gillingham | FA Cup | 2 | 0 | 1 | 0 | 0 | – |
| 2023/2024 | Gillingham | EFL Trophy | 3 | 1 | 0 | 0 | 0 | 7.4 |
| 2023/2024 | Gillingham | EFL Cup | 2 | 0 | 0 | 0 | 0 | 6.5 |
| 2022/2023 | Swindon | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Swindon | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.0 |
| 2021/2022 | Swindon | FA Cup | 1 | 0 | 1 | 0 | 0 | 6.3 |
| 2020/2021 | Charlton | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Charlton | EFL Trophy | 1 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Charlton | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.2 |
| 2019/2020 | Charlton | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.5 |
| 2018/2019 | Crystal Palace | EFL Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Sunderland | EFL Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2015/2016 | MK Dons | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2014/2015 | Crystal Palace | Capital One Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2013/2014 | Crystal Palace | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2011/2012 | Crystal Palace | Carling Cup | 1 | 1 | 0 | 0 | 0 | – |
| Total | 25 | 2 | 2 | 0 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 07 ene 2023 | Swindon | Gillingham | Free agent | |
| - | Cardiff | Swindon | Free agent | |
| 02 ene 2021 | Charlton | Cardiff | Transfer | |
| 01 abr 2019 | Crystal Palace | Charlton | Free agent | |
| - | Sunderland | Crystal Palace | Return from loan | |
| - | Crystal Palace | Sunderland | Loan | |
| - | Ipswich | Crystal Palace | Return from loan | |
| - | Crystal Palace | Ipswich | Loan | |
| - | MK Dons | Crystal Palace | Return from loan | |
| - | Crystal Palace | MK Dons | Loan | |
| 01 mar 2016 | Nottingham | Crystal Palace | Return from loan | |
| 09 oct 2015 | Crystal Palace | Nottingham | Loan | |
| - | Ipswich | Crystal Palace | Return from loan | |
| - | Crystal Palace | Ipswich | Loan | |
| 05 sept 2014 | Ipswich | Crystal Palace | Return from loan | |
| - | Crystal Palace | Ipswich | Loan |
J. Williams career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.