| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Queen's Park | Challenge Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2025/2026 | Queen's Park | Scottish Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2025/2026 | Queen's Park | League Cup | 4 | 0 | 0 | 0 | 0 | – |
| 2024/2025 | Dumbarton | Scottish Cup | 1 | 0 | 0 | 1 | 0 | – |
| 2024/2025 | Dumbarton | League Cup | 4 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | Dumbarton | Scottish Cup | 2 | 1 | 0 | 0 | 0 | – |
| 2022/2023 | Hamilton | Challenge Cup | 2 | 0 | 0 | 1 | 0 | – |
| 2022/2023 | Hamilton | Scottish Cup | 3 | 0 | 0 | 1 | 0 | – |
| 2022/2023 | Hamilton | League Cup | 4 | 3 | 0 | 0 | 0 | – |
| 2021/2022 | Hamilton | Challenge Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Hamilton | Scottish Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Clyde | League Cup | 4 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Rangers U21 | Challenge Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Dumbarton | Scottish Cup | 1 | 0 | 0 | 0 | 0 | – |
| Total | 32 | 4 | 0 | 3 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 07 ene 2025 | Dumbarton | Queen's Park | Free agent | |
| 07 ene 2024 | Cove Rangers | Dumbarton | Free agent | |
| - | Dumbarton | Cove Rangers | Free agent | |
| 08 abr 2023 | Hamilton | Dumbarton | Free agent | |
| 07 ene 2021 | Rangers | Hamilton | Free agent | |
| - | Clyde | Rangers | Return from loan | |
| - | Rangers | Clyde | Loan | |
| - | Orange County SC | Rangers | Return from loan | |
| 02 mar 2020 | Rangers | Orange County SC | Loan | |
| 01 ene 2020 | Dumbarton | Rangers | Return from loan | |
| - | Rangers | Dumbarton | Loan | |
| - | Edinburgh City | Rangers | Return from loan | |
| - | Rangers | Edinburgh City | Loan |
M. Shiels career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.