← Insights archive
MLBumpire2026-08-15
Boston Red Sox at Pittsburgh Pirates
9.4 K/9 vs 8.5 league · +0.9 · 24 games
THE FINDING
Boston Red Sox at Pittsburgh Pirates Home plate: Ryan Additon. 9.4 strikeouts per nine innings behind the plate this season, across 24 games. League average is 8.5. That's 0.9 more strikeouts per nine than average — the 3rd widest zone of 84 umpires with a full sample.
STATS
zone
Wide zone
direction
loose
k9
9.4
leagueK9
8.5
delta
0.9
games
24
rank
3
All insightsArchived 2026-08-15 · mlb_ump_823347_596809