| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Marseille | Coupe de France | 2 | 0 | 3 | 0 | 0 | 7.3 |
| 2025 | Marseille | Super Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2024/2025 | Brighton | FA Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2024/2025 | Brighton | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2024/2025 | Celtic | League Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | Celtic | Scottish Cup | 5 | 1 | 2 | 0 | 0 | – |
| 2023/2024 | Celtic | League Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Celtic | Scottish Cup | 5 | 1 | 2 | 0 | 0 | – |
| 2022/2023 | Celtic | League Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Celtic | Scottish Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | MK Dons | FA Cup | 1 | 0 | 1 | 0 | 0 | – |
| 2021/2022 | MK Dons | EFL Trophy | 2 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | MK Dons | EFL Cup | 1 | 0 | 0 | 0 | 0 | 6.0 |
| 2020/2021 | MK Dons | EFL Trophy | 1 | 0 | 0 | 0 | 0 | 6.3 |
| 2019/2020 | Fulham U23 | Premier League Cup | 2 | 2 | 0 | 0 | 0 | – |
| 2019/2020 | Fulham U21 | EFL Trophy | 2 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Fulham | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.3 |
| 2018/2019 | Fulham U23 | Premier League Cup | 3 | 5 | 0 | 0 | 0 | – |
| 2018/2019 | Fulham | EFL Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Fulham U21 | EFL Trophy | 1 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Fulham U21 | EFL Trophy | 3 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Fulham | EFL Cup | 1 | 0 | 0 | 0 | 0 | 7.2 |
| 2016/2017 | Fulham U23 | Premier League Cup | 1 | 1 | 0 | 0 | 0 | – |
| Total | 42 | 10 | 8 | 0 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 02 feb 2026 | Marseille | Brighton | Return from loan | |
| 09 ene 2025 | Brighton | Marseille | Loan | |
| - | Celtic | Brighton | Transfer | |
| - | MK Dons | Celtic | Transfer | |
| - | Fulham | MK Dons | Transfer |
M. O'Riley career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.