Peterson, D
LHP · Chicago Cubs · 2026 Season
Peterson, D has allowed a first-inning run in 11 of 23 starts in 2026 (47.8%). His 52.2% NRFI rate ranks #174 of 187 qualified starters (10+ starts). Last start: 2026-09-25.
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, Peterson, D has held the first inning scoreless 12 times (52.2% NRFI rate). He's averaging 0.74 runs, 1.26 hits, 1.43 Ks, and 0.65 walks per first inning this season.
Opening Line Analytics combines Peterson, D's historical stats with real-time lineup data and 10,000-iteration Monte Carlo simulation to generate a combined NRFI probability before every start.
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