Blue Notes · Umpire Grade2026-07-12
AZ @ LAD
Home plate: Stu Scheurwater
“The zone kept its promises.”
Umpire Grade
97.3% accurate
Run Favor
runs, AZ
ABS Overturns
of 3 reviewed
What this shows — how Stu Scheurwater called the 148 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 144 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
- 1-0.13▼3 · 1-0 ball called strike
Freddie Freeman vs Mitch Bratt - 2+0.13▲8 · 1-0 strike called ball
Corbin Carroll vs Tanner Scott - 3+0.09▼3 · 0-0 strike called ball
Andy Pages vs Mitch Bratt
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
3 pitches went to the robots · 3 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Gabriel Moreno — ump said strike, robot ruled ball: overturned.
- 2Geraldo Perdomo — ump said ball, robot ruled strike: overturned.
- 3Nolan Arenado — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.