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Luis Castillo

Starting pitcher, SEA. Every number below comes from our own game archive, pitch-tracking table and prop-line archive, with the window and sample size printed beside it.

Data as of 2026-08-11 · team report
2026 starts
18
90.0 innings
ERA
5.40
Strikeouts
80
8.0 per 9
Walks
29

Advanced profile

Percentile among 453 pitchers with 8+ tracked starts, 2026 season through 2026-07-02 (our pitch-tracking window) · higher is better on every bar
Whiff rate
22.9%
51
CSW rate
25.1%
21
xwOBA against
0.369
66
Hard-hit against
25.9%
49

Strikeouts vs the prop line

Last 12 starts · bar = strikeouts, dash = that morning's opening line (median of quoting books, earliest capture per book) · teal over, red under, grey unlined
01234567vs KC05-03at CWS05-09at HOU05-14at OAK05-25at DET06-07at WSH06-13at CLE06-26vs TOR07-03at TB07-10vs CIN07-21at LAD07-28at BOS08-06

Conditioned record vs the line

Overs–unders against the opening strikeout line, split by the situations that move strikeout props · 2026 lined starts only
SplitO–UAvg KAvg linen
All lined starts8–104.444.8318
vs top-10 strikeout-prone teams5–25.295.077
vs bottom-10 strikeout-prone teams1–43.84.55
Home3–34.675.176
Away5–74.334.6712
Last 51–43.64.75

Strikeout-prone = the opponent's strikeouts per game rank across the 2026 season, our archive. Counts of what happened, not predictions.

Next start

2026-08-12 · home
Cincinnati Reds at Chicago White Sox

From the official probable-starter feed; probables can change. Information, never a recommendation.

Start log

Last 12 starts · pitch-tracking columns blank where the game postdates our tracking window
DateOppIPKK lineBBERWhiffxwOBA
2026-08-06at BOS4.054.515
2026-07-28at LAD5.024.525
2026-07-21vs CIN7.035.523
2026-07-10at TB5.044.514
2026-07-03vs TOR6.044.512
2026-06-26at CLE6.044.511
2026-06-13at WSH5.244.52212%0.279
2026-06-07at DET5.254.51120%0.323
2026-05-25at OAK4.063.52037%0.288
2026-05-14at HOU5.265.53319%0.470
2026-05-09at CWS4.064.50431%0.509
2026-05-03vs KC6.054.52419%0.461

Ballpark

K per start, home
4.7
6 starts
K per start, away
4.3
12 starts
Park K factor
113.00
2025 season, home park

Where these numbers come from

Information, not betting advice. This page reports what happened, with windows and sample sizes attached. Small samples are labeled with their n so you can weigh them accordingly. No picks, no recommendations.