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The Rundown
SlateHittersPitchersNRFI1st PitchMatchup HistoryStreaksStolen BasesMilestonesDaily TrackerPark FactorsFlight SimLeaders
←Sep 22Sep 23Sep 24→
Research

NRFI for Wednesday, September 23, 2026

No Runs First Inning

How often neither team scores in the 1st inning.

New here?

How to read this page

Quick guide to columns and colors
▶

Each row is a pitcher facing the opposing offense in the 1st inning. Sort any column.

Pitcher

RECORD — starts with no run in the 1st, then starts with a run. STREAK — how many starts the current run of either one has lasted. NRFI% — the share of starts with no run in the 1st. HR — home runs allowed in the 1st.

Offense

RANK #1 (green, scores least in the 1st) → #30 (red, scores most), plus RECORD, STREAK, NRFI%, HR.

1st Inning

One tag per game, on the first of its two rows: how likely a run is in the 1st inning, from Run unlikely through Even to Run likely. It disappears when you sort by a column that splits the two starters in a game apart, because the tag belongs to the game rather than to either row.

Pitcher Days and Offense Days set how far back each side's numbers go, in days. Year switches to last season.

About the MLB NRFI board

▶

NRFI stands for No Run First Inning. This board covers first-inning scoring specifically — both starters, the top of each order they have to face, and the history behind how often that inning stays scoreless.

How to read it

Each game takes two rows, one per starter, because a game only stays scoreless if neither side scores. The pitcher columns are first-inning numbers rather than full-game rates, and the offense columns are how often that lineup scores in the first. Offense rank runs from #1, the offense that scores in the first least often, to #30. The tag on the first row of each game says how likely a run is, from Run unlikely to Run likely.

therundown.gg · Data Refreshed Sep 23, 10:30 PM CDT

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