Blue Notes · Umpire Grade2026-04-29
WSH @ NYM
Home plate: Bill Miller
“The kind of night where the umpire is the least of the story.”
Umpire Grade
91.7% accurate
Run Favor
runs, NYM
ABS Overturns
of 1 reviewed
What this shows — how Bill Miller called the 181 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 166 right. Below, only his misses are plotted, alongside every pitch the ABS (Automated Ball-Strike System) reviewed on a challenge.
The zone, as he called it
strike called ballball called strikeABS overturnedABS upheld
The calls that moved the game
- 1+0.28▲6 · 1-2 strike called ball
Jacob Young vs Sean Manaea - 2-0.23▼3 · 0-2 ball called strike
Francisco Alvarez vs Cade Cavalli - 3-0.20▲4 · 2-1 ball called strike
Jacob Young vs David Peterson
Run impact from the count run-value table: a missed strike three is worth far more than one on 3-0.
ABS — the Automated Ball-Strike System
1 pitch went to the robots · 1 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Francisco Alvarez — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.