ERA+
Trent Thornton · Season-by-season history
ERA+ over time
- Toronto Blue Jays · MLB
- Seattle Mariners · MLB
Hover over a point for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2025 |  Seattle Mariners |
MLB | 81 |
| 2024 | Seattle Mariners |
MLB | 103 |
| 2023 |  Toronto Blue Jays |
MLB | 271 |
| 2022 | Toronto Blue Jays |
MLB | 94 |
| 2021 | Toronto Blue Jays |
MLB | 94 |
| 2020 | Toronto Blue Jays |
MLB | 42 |
| 2019 | Toronto Blue Jays |
MLB | 94 |