| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Oxford Utd | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.0 |
| 2025 | Oxford Utd | President Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | MK Dons | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | MK Dons | EFL Trophy | 3 | 0 | 0 | 0 | 0 | 6.5 |
| 2022/2023 | MK Dons | EFL Cup | 4 | 0 | 0 | 0 | 0 | 7.4 |
| 2020/2021 | Stevenage | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2020/2021 | Stevenage | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 7.9 |
| 2020/2021 | Stevenage | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.2 |
| 2019/2020 | Chelsea U21 | EFL Trophy | 4 | 0 | 0 | 1 | 0 | – |
| 2018/2019 | Chelsea U21 | EFL Trophy | 5 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Chelsea U21 | EFL Trophy | 2 | 0 | 0 | 0 | 0 | – |
| Total | 24 | 0 | 0 | 1 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 07 ene 2024 | Chelsea | Oxford Utd | Transfer | |
| - | Oxford Utd | Chelsea | Return from loan | |
| 01 nov 2024 | Chelsea | Oxford Utd | Loan | |
| - | MK Dons | Chelsea | Return from loan | |
| 07 sept 2022 | Chelsea | MK Dons | Loan | |
| - | MK Dons | Chelsea | Return from loan | |
| - | Chelsea | MK Dons | Loan | |
| 01 dic 2022 | Gillingham | Chelsea | Return from loan | |
| - | Chelsea | Gillingham | Loan | |
| - | Stevenage | Chelsea | Return from loan | |
| - | Chelsea | Stevenage | Loan |
J. Cumming career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.