Loss
Luis Castillo · Season-by-season history
Loss over time
- Seattle Mariners · MLB
| Season | Team | League | Loss |
|---|---|---|---|
| 2025 |  Seattle Mariners |
MLB | 8 |
| 2024 | Seattle Mariners |
MLB | 12 |
| 2023 | Seattle Mariners |
MLB | 9 |
| 2022 | Seattle Mariners |
MLB | 2 |