ERA+
Andrés Muñoz · Season-by-season history
ERA+ over time
- Seattle Mariners · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2025 |  Seattle Mariners |
MLB | 219 |
| 2024 | Seattle Mariners |
MLB | 175 |
| 2023 | Seattle Mariners |
MLB | 135 |
| 2022 | Seattle Mariners |
MLB | 149 |