| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | West Brom | FA Cup | 2 | 0 | 0 | 0 | 0 | 7.8 |
| 2024/2025 | Bristol Rovers | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.3 |
| 2024/2025 | Bristol Rovers | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.2 |
| 2024/2025 | Bristol Rovers | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.2 |
| 2023/2024 | West Brom | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2023/2024 | West Brom | EFL Cup | 1 | 0 | 0 | 1 | 0 | 7.2 |
| 2022/2023 | Portsmouth | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2022/2023 | Portsmouth | FA Cup | 2 | 0 | 0 | 0 | 0 | 6.3 |
| 2022/2023 | Portsmouth | EFL Cup | 2 | 0 | 0 | 0 | 0 | 6.6 |
| 2021/2022 | Lincoln | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2021/2022 | Lincoln | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.9 |
| 2020/2021 | Cheltenham | FA Cup | 2 | 0 | 0 | 0 | 0 | 6.5 |
| 2020/2021 | Cheltenham | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 7.8 |
| 2020/2021 | Cheltenham | EFL Cup | 2 | 0 | 0 | 0 | 0 | 7.4 |
| Total | 19 | 0 | 0 | 1 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 02 mar 2025 | Bristol Rovers | West Brom | Return from loan | |
| 07 oct 2024 | West Brom | Bristol Rovers | Loan | |
| 01 nov 2023 | Portsmouth | West Brom | Return from loan | |
| - | West Brom | Portsmouth | Loan | |
| - | Lincoln | West Brom | Return from loan | |
| - | West Brom | Lincoln | Loan | |
| - | Cheltenham | West Brom | Return from loan | |
| - | West Brom | Cheltenham | Loan |
J. Griffiths career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.