| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Cheltenham | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.0 |
| 2025/2026 | Cheltenham | EFL Trophy | 2 | 1 | 0 | 0 | 0 | – |
| 2025/2026 | Cheltenham | EFL Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2024/2025 | Notts Co | FA Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2024/2025 | Notts Co | EFL Trophy | 2 | 0 | 1 | 0 | 0 | 7.5 |
| 2023/2024 | Portsmouth | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.2 |
| 2022/2023 | Barnsley | FA Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Barnsley | EFL Trophy | 2 | 2 | 3 | 0 | 0 | 8.0 |
| 2021/2022 | MK Dons | FA Cup | 1 | 0 | 0 | 0 | 1 | – |
| 2021/2022 | MK Dons | EFL Trophy | 2 | 0 | 0 | 0 | 0 | 6.7 |
| 2021/2022 | MK Dons | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2020/2021 | Norwich | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.3 |
| 2020/2021 | Norwich U21 | EFL Trophy | 1 | 1 | 0 | 0 | 0 | 7.2 |
| 2020/2021 | Norwich | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.9 |
| 2019/2020 | Norwich U21 | EFL Trophy | 2 | 0 | 0 | 0 | 0 | – |
| Total | 23 | 4 | 4 | 0 | 1 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Newport | Cheltenham | Free agent | |
| - | Notts Co | Newport | Free agent | |
| - | Portsmouth | Notts Co | Free agent | |
| - | Norwich | Portsmouth | Free agent | |
| - | Barnsley | Norwich | Return from loan | |
| - | Norwich | Barnsley | Loan | |
| - | Doncaster | Norwich | Return from loan | |
| - | Norwich | Doncaster | Loan | |
| - | MK Dons | Norwich | Return from loan | |
| 07 ene 2021 | Norwich | MK Dons | Loan | |
| - | Arsenal | Norwich | Free agent |
J. Martin career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.