| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Atl. Madrid | Super Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2025/2026 | Atl. Madrid | Copa del Rey | 1 | 0 | 1 | 0 | 0 | – |
| 2024/2025 | Atl. Madrid | Copa del Rey | 3 | 0 | 2 | 1 | 0 | 7.0 |
| 2023/2024 | Chelsea | FA Cup | 5 | 1 | 0 | 0 | 0 | 7.2 |
| 2023/2024 | Chelsea | EFL Cup | 7 | 0 | 2 | 1 | 0 | 7.6 |
| 2022/2023 | Chelsea | FA Cup | 1 | 0 | 0 | 1 | 0 | 6.7 |
| 2022/2023 | Chelsea | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.9 |
| 2021/2022 | Crystal Palace | FA Cup | 4 | 0 | 2 | 1 | 0 | 6.9 |
| 2021/2022 | Crystal Palace | EFL Cup | 1 | 0 | 0 | 1 | 0 | 7.2 |
| 2020/2021 | West Brom | FA Cup | 1 | 0 | 0 | 1 | 0 | 6.9 |
| 2020/2021 | West Brom | EFL Cup | 1 | 0 | 0 | 0 | 0 | 8.2 |
| 2018/2019 | Chelsea U21 | EFL Trophy | 4 | 0 | 0 | 1 | 0 | – |
| Total | 30 | 1 | 7 | 7 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Atl. Madrid | Tottenham | Transfer | |
| - | Chelsea | Atl. Madrid | Transfer | |
| - | Crystal Palace | Chelsea | Return from loan | |
| - | Chelsea | Crystal Palace | Loan | |
| - | West Brom | Chelsea | Return from loan | |
| - | Chelsea | West Brom | Loan | |
| - | Swansea | Chelsea | Return from loan | |
| - | Chelsea | Swansea | Loan | |
| - | Charlton | Chelsea | Return from loan | |
| 08 feb 2019 | Chelsea | Charlton | Loan |
C. Gallagher career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.