MLB First Inning Research Hub

BETA

Explore up-to-date stats, trends and insights focused on the first innings of MLB games since 2005

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UMPIRES

WEATHER

Stats reflect past performance. Not predictions.

Data updated through: September 29, 2025

First Inning Pitching Leaderboard (2005–Present)

Key:

Better Better than average

League Avg League Average

Worse

Darker colors highlight differences vs. league average

Coming Soon: Interactive Pitcher Profiles

Darker colors indicate greater differences vs. league average.

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* NRFI = No Run First Inning

Data updated daily | Stats source: MLB