| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Newcastle | FA Cup | 3 | 0 | 0 | 0 | 0 | 6.3 |
| 2025/2026 | Newcastle | EFL Cup | 3 | 0 | 1 | 0 | 0 | 6.4 |
| 2024/2025 | Newcastle | FA Cup | 2 | 2 | 0 | 1 | 0 | 7.8 |
| 2024/2025 | Newcastle | EFL Cup | 7 | 1 | 0 | 0 | 0 | 6.8 |
| 2023/2024 | Newcastle | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.3 |
| 2023/2024 | Newcastle | EFL Cup | 1 | 1 | 0 | 1 | 0 | 7.7 |
| 2022/2023 | Newcastle | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.9 |
| 2022/2023 | Newcastle | EFL Cup | 7 | 0 | 0 | 0 | 0 | 6.6 |
| 2021/2022 | Newcastle | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Newcastle | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.9 |
| 2020/2021 | Arsenal | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2020/2021 | Arsenal | EFL Cup | 3 | 0 | 0 | 0 | 0 | 6.7 |
| 2020 | Arsenal | FA Community Shield | 1 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Arsenal | FA Cup | 5 | 0 | 0 | 0 | 0 | 6.8 |
| 2019/2020 | Arsenal | EFL Cup | 2 | 2 | 0 | 1 | 0 | 6.8 |
| 2018/2019 | Arsenal | FA Cup | 1 | 2 | 0 | 0 | 0 | 8.7 |
| 2018/2019 | Arsenal U21 | EFL Trophy | 2 | 3 | 0 | 1 | 0 | – |
| 2017/2018 | Arsenal | FA Cup | 1 | 0 | 0 | 0 | 0 | 6.2 |
| 2017/2018 | Arsenal | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.8 |
| Total | 44 | 11 | 1 | 4 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Arsenal | Newcastle | Transfer | |
| - | Newcastle | Arsenal | Return from loan | |
| 02 ene 2021 | Arsenal | Newcastle | Loan |
J. Willock career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.