L. Castillo, Santander, Baz, R. Greene, L. Weaver
Jan 20 2025
Castillo steady, but saw some minor dips in 2024... Luis Castillo (RHP, SEA) finished 2024 with a 3.64 ERA, 1.17 WHIP, 24% K%, and 6% BB% across 175 innings. That came after Castillo reached career-bests in innings and earned value. Can he still be a reliable option or have the skills faded?
| Year | IP | ERA/xERA | WHIP | H%/S% | GB% | FB% | BB% | K% | SwK% | BPX | R$ |
| 2020 | 70 | 3.21/3.03 | 1.23 | 35%/75% | 58% | 22% | 8% | 30% | 15.9% | 175 | 12 |
| 2021 | 187 | 3.98/3.69 | 1.36 | 34%/73% | 55% | 24% | 10% | 24% | 13.3% | 115 | 0 |
| 2022 | 150 | 2.99/3.27 | 1.08 | 30%/75% | 46% | 33% | 7% | 27% | 12.9% | 153 | 10 |
| 2023 | 197 | 3.34/3.85 | 1.10 | 31%/76% | 39% | 42% | 7% | 27% | 15.2% | 149 | 23 |
| 2024 | 175 | 3.64/3.88 | 1.17 | 32%/74% | 39% | 41% | 7% | 24% | 12.4% | 130 | 8 |
Castillo has been evolving with the Mariners, though his skills took a step back after a peak season in 2023:
- Castillo posted a similar xERA to the 2023 numbers, potentially...
Almost!
You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!
Already a subscriber? Sign in here
More From Facts & Flukes
Max Fried pitched like an ace in 2025 despite a second-half slide. Any reason for concern? Plus looks at Vinnie Pasquantino, Jo Adell, Jack Flaherty and Andrés Giménez.
Feb 19 2026 3:05am
Feb 19 2026 3:05am
After averaging 36 HR and a .286 BA per season from 2021-23, Austin Riley has battled injuries and hit 35 HR combined in 2024-25. Can he rebound? Plus Edward Cabrera, Eugenio Suárez, Aaron Nola, and Ramon Laureano.
Feb 18 2026 3:09am
Feb 18 2026 3:09am
What to expect with Bo Bichette joining the Mets. Also: Eury Pérez Michael Busch, Merrill Kelly, and Miguel Andujar.
Feb 17 2026 3:07am
Feb 17 2026 3:07am
Hunter Brown solidified his status as a frontline starter in 2025. Plus, Ryan Pepiot, Gleyber Torres, Kyle Manzardo, and Jonathan India.
Feb 12 2026 3:05am
Feb 12 2026 3:05am
Injuries may have temporarily cost Iván Herrera his catcher eligibility, but his work at the plate in 2025 was terrific—can he repeat his breakout season? Plus, Jakob Marsee, Cade Horton, Bryan Reynolds, and Hurston Waldrep.
Feb 11 2026 3:08am
Feb 11 2026 3:08am
