| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2024/2025 | Forest Green | National League Cup | 1 | 0 | 0 | 1 | 0 | – |
| 2023/2024 | Forest Green | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | Forest Green | EFL Trophy | 2 | 0 | 0 | 1 | 0 | 6.8 |
| 2023/2024 | Forest Green | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.2 |
| 2022/2023 | Walsall | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2022/2023 | Walsall | EFL Trophy | 1 | 0 | 0 | 1 | 0 | – |
| 2021/2022 | Burton | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2020/2021 | Vitoria Guimaraes | League Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Vitoria Guimaraes | Taça de Portugal | 2 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Southampton U23 | Premier League Cup | 1 | 1 | 0 | 0 | 0 | – |
| 2019/2020 | Tranmere | EFL Trophy | 2 | 0 | 0 | 1 | 0 | – |
| 2018/2019 | Cheltenham | FA Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Cheltenham | EFL Trophy | 3 | 3 | 0 | 0 | 0 | – |
| 2018/2019 | Cheltenham | EFL Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Chelsea U21 | EFL Trophy | 6 | 0 | 0 | 0 | 0 | – |
| 2016/2017 | Chelsea U23 | EFL Trophy | 1 | 0 | 0 | 0 | 0 | – |
| Total | 27 | 4 | 0 | 4 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 01 Jul 2025 | Forest Green | Yeovil | Free agent | |
| 08 Jul 2023 | Walsall | Forest Green | Free agent | |
| 09 May 2022 | Vitoria Guimaraes | Walsall | ||
| - | Burton | Vitoria Guimaraes | Return from loan | |
| 07 Sept 2021 | Vitoria Guimaraes | Burton | Loan | |
| 08 Dec 2020 | Chelsea | Vitoria Guimaraes | ||
| - | Southampton | Chelsea | Return from loan | |
| 02 Jan 2020 | Chelsea | Southampton | Loan | |
| - | Tranmere | Chelsea | Return from loan | |
| 08 Aug 2019 | Chelsea | Tranmere | Loan | |
| - | Cheltenham | Chelsea | Return from loan | |
| - | Chelsea | Cheltenham | Loan | |
| 07 Jan 2013 | Bristol City | Chelsea |
J. Maddox career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.