Is Austin Jones a hitter's or pitcher's umpire?

With Austin Jones behind the plate, MLB games average 8.41 total runs versus a league average of 9.02, a run factor of 0.91. That makes him a pitcher's umpire, one of the tightest run-suppressing zones.

How is an umpire's run factor measured?

From 68 games with Austin Jones behind the plate in our database, rebuilt nightly. A run factor of 1.00 is league average; above means more scoring in his games, below means less.

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MLB · Umpire Tendencies

Austin Jones

With Austin Jones behind the plate, MLB games average 8.41 total runs versus a league average of 9.02. That is a run factor of 0.91, #87 of 96 umpires for scoring, making him a pitcher's umpire, one of the tightest run-suppressing zones.

Run factor

0.91

-9%

runs vs average

Strikeout factor

1.03

+3%

strikeouts vs average

Games

behind the plate, in our data

A strikeout factor of 1.03 (+3%) reflects how wide or tight Austin Jones calls the zone. A wider zone means more called strikes, more strikeouts, and fewer baserunners, which is why umpire run and strikeout factors usually move together. The home team wins 33.8% of his games, close to the league's modest home rate.

How we counted

From 68 games with Austin Jones as home-plate umpire, rebuilt nightly. Factors are normalized so 1.00 equals the league-average umpire. A single umpire is a small slice of the season, so read the extremes as tendencies, not certainties. Descriptive, not a prediction.

Last recomputed August 23, 2026.

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