| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Los Angeles FC | MLS | 4 | 0 | 1 | 0 | 0 | 6.6 |
| 2025 | Nashville SC | MLS | 26 | 4 | 2 | 2 | 0 | 6.9 |
| 2024 | Nashville SC | MLS | 23 | 2 | 3 | 2 | 0 | 6.8 |
| 2023 | Nashville SC | MLS | 30 | 3 | 1 | 1 | 0 | 6.7 |
| 2022 | Nashville SC | MLS | 9 | 2 | 0 | 0 | 0 | 6.9 |
| 2022 | Toronto FC II | MLS Next Pro | 1 | 0 | 0 | 0 | 0 | – |
| 2022 | Toronto FC | MLS | 10 | 0 | 0 | 1 | 0 | 6.4 |
| 2021 | Toronto FC II | USL League One | 1 | 0 | 0 | 0 | 0 | – |
| 2021 | Toronto FC | MLS | 20 | 3 | 3 | 1 | 0 | 6.7 |
| 2020 | Toronto FC | MLS is Back | 5 | 0 | 0 | 0 | 0 | 6.5 |
| 2020 | Toronto FC | MLS | 5 | 0 | 0 | 0 | 0 | 6.5 |
| 2019 | Toronto FC | MLS | 9 | 0 | 1 | 0 | 0 | 6.7 |
| 2019 | Toronto FC II | USL League One | 15 | 2 | 4 | 0 | 0 | – |
| Total | 158 | 16 | 15 | 7 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Nashville SC | Los Angeles FC | Transfer | |
| - | Toronto FC | Nashville SC | Transfer | |
| - | Nashville SC | Toronto FC | Return from loan | |
| 08 feb 2022 | Toronto FC | Nashville SC | Loan |
J. Shaffelburg career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.