Castillo, L
RHP · Chicago White Sox · 2026 Season
Castillo, L has allowed a first-inning run in 11 of 23 starts in 2026 (47.8%). His 52.2% NRFI rate ranks #173 of 187 qualified starters (10+ starts). Last start: 2026-09-03.
2026 Starts
First Inning Performance
2026 season avg · 23 starts
About NRFI Stats
NRFI (No Runs First Inning) tracks whether a starting pitcher holds the opposing lineup scoreless in the first inning. A high NRFI rate indicates a pitcher who consistently gets through the first without giving up runs — a key signal for first-inning prop bets.
Through 23 starts this season, Castillo, L has held the first inning scoreless 12 times (52.2% NRFI rate). He's averaging 0.78 runs, 1.13 hits, 0.91 Ks, and 0.30 walks per first inning this season.
Opening Line Analytics combines Castillo, L's historical stats with real-time lineup data and 10,000-iteration Monte Carlo simulation to generate a combined NRFI probability before every start.
See Today's NRFI Prediction
Live first-inning predictions with Vegas odds, edge %, and Kelly bet sizing — updated daily before first pitch.
Open NRFI Predictor →