Seattle Mariners· #58· Pitcher
Luis Castillo “La Piedra”
Bats R · Throws R·Age 33 (Dec 12, 1992)·6' 2", 200 lb·Bani, -1, Dominican Republic
2026 Pitching
ERA
4.93
WHIP
1.37
IP
87.2
K%
20.8
BB%
7.2
K/9
8.32
W-L
3-8
GS
15
SV
0
HLD
1
DiamondIQ WAR
87.7 IP · 2026
0.7
7.0 runs above replacement
FIP · 4.15 (park 0.89)0.0
vs replacement · SP, 87.7 IP+7.0
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Four-Seam44% · 95.3 · 27% whiff
Slider28% · 85.4 · 26% whiff
Sinker16% · 95.4 · 8% whiff
Changeup12% · 87.5 · 23% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Seattle Mariners | 3 | 8 | 4.93 | 18 | 15 | 0 | 87.2 | 81 | 28 | 1.37 | 8.32 |
| 2025 | Seattle Mariners | 11 | 8 | 3.54 | 32 | 32 | 0 | 180.2 | 162 | 46 | 1.18 | 8.07 |
| 2024 | Seattle Mariners | 11 | 12 | 3.64 | 30 | 30 | 0 | 175.1 | 175 | 47 | 1.17 | 8.98 |
| 2023 | Seattle Mariners | 14 | 9 | 3.34 | 33 | 33 | 0 | 197.0 | 219 | 56 | 1.10 | 10.01 |
| 2022 | — | 8 | 6 | 2.99 | 25 | 25 | 0 | 150.1 | 167 | 45 | 1.08 | 10.00 |
Recent Games
Jul 10 @ Tampa Bay RaysL
5.0 IP, 4 ER, 4 K, 1 BB
Jul 3 vs Toronto Blue JaysL
6.0 IP, 2 ER, 4 K, 1 BB
Jun 26 @ Cleveland GuardiansW
6.0 IP, 1 ER, 4 K, 1 BB
Jun 19 vs Boston Red SoxL
4.0 IP, 4 ER, 4 K, 0 BB
Jun 13 @ Washington NationalsL
5.2 IP, 2 ER, 4 K, 2 BB
Jun 7 @ Detroit TigersL
5.2 IP, 1 ER, 5 K, 1 BB
May 31 vs Arizona DiamondbacksW
5.0 IP, 1 ER, 3 K, 2 BB
May 25 @ AthleticsW
4.0 IP, 0 ER, 6 K, 2 BB
May 19 vs Chicago White SoxL
2.1 IP, 2 ER, 4 K, 2 BB
May 14 @ Houston AstrosW
5.2 IP, 3 ER, 6 K, 3 BB