MLB First Inning Research Hub
BETAExplore up-to-date stats, trends and insights focused on the first innings of MLB games
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Stats reflect past performance. Not predictions.
No Run First Inning (NRFI) Rates
by Matchup and Probable Starter
Key:
Better
League Avg
Worse
Indicators:
🔥 NRFI streakNRFI Streak
❄️ YRFI streakYRFI Streak
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NRFI percentages based on league average (~70%) and statistical distribution since 2005 (minimum 30 starts). Streak indicators show consecutive games of the same first-inning outcome.
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View NRFI Pitching Leaderboards
Data updated daily | Data source: MLB