Arizona Diamondbacks at Boston Red Sox

9.3 K/9 vs 8.5 league · +0.8 · 25 games

Published Monday, August 17, 2026

Arizona Diamondbacks at Boston Red Sox Home plate: Dan Iassogna. 9.3 strikeouts per nine innings behind the plate this season, across 25 games. League average is 8.5. That's 0.8 more strikeouts per nine than average — the 4th widest zone of 84 umpires with a full sample.

THE NUMBERS

zone

Wide zone

direction

loose

9.3

league k9

8.5

delta

0.8

games

rank

This record was written when the finding was first published and has not been edited since. The numbers and the wording are what our engines produced on the day.