ERA+
Marco Gonzales · Season-by-season history
ERA+ over time
- Seattle Mariners · MLB
Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2023 |  Seattle Mariners |
MLB | 76 |
| 2022 | Seattle Mariners |
MLB | 90 |
| 2021 | Seattle Mariners |
MLB | 104 |
| 2020 | Seattle Mariners |
MLB | 138 |
| 2019 | Seattle Mariners |
MLB | 109 |
| 2018 | Seattle Mariners |
MLB | 102 |
| 2017 | Seattle Mariners |
MLB | 78 |