Chicago White Sox· #58· Pitcher
Luis Castillo “La Piedra”
Bats R · Throws R·Age 33 (Dec 12, 1992)·6' 2", 200 lb·Bani, Dominican Republic
2026 Pitching
ERA
5.31
WHIP
1.44
IP
122.0
K%
19.4
BB%
7.0
K/9
7.82
W-L
4-10
GS
22
SV
0
HLD
1
DiamondIQ WAR
122.0 IP · 2026
0.2
2.1 runs above replacement
FIP · 4.870.0
vs replacement · SP, 122.0 IP+2.1
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-Seam43% · 95.3 · 28% whiff
Slider25% · 85.6 · 28% whiff
Sinker18% · 95.5 · 12% whiff
Changeup14% · 87.5 · 25% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | — | 4 | 10 | 5.31 | 25 | 22 | 0 | 122.0 | 106 | 38 | 1.44 | 7.82 |
| 2026 | Chicago White Sox | 1 | 1 | 6.45 | 5 | 5 | 0 | 22.1 | 20 | 6 | 1.66 | 8.06 |
| 2026 | Seattle Mariners | 3 | 9 | 5.06 | 20 | 17 | 0 | 99.2 | 86 | 32 | 1.39 | 7.77 |
| 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 |
Recent Games
Aug 28 @ Minnesota TwinsW
4.0 IP, 4 ER, 1 K, 1 BB
Aug 22 vs New York MetsL
2.2 IP, 4 ER, 3 K, 1 BB
Aug 17 @ Chicago CubsL
4.2 IP, 3 ER, 1 K, 1 BB
Aug 12 vs Cincinnati RedsW
7.0 IP, 0 ER, 10 K, 2 BB
Aug 6 @ Boston Red SoxL
4.0 IP, 5 ER, 5 K, 1 BB
Jul 28 @ Los Angeles DodgersW
5.0 IP, 5 ER, 2 K, 2 BB
Jul 21 vs Cincinnati RedsL
7.0 IP, 3 ER, 3 K, 2 BB
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