Blue Notes · Umpire Grade2026-06-10
ATL @ CWS
Home plate: Chad Whitson
“Reliable as a Tuesday: no complaints, no headlines.”
Umpire Grade
97.3% accurate
Run Favor
runs, ATL
ABS Overturns
of 2 reviewed
What this shows — how Chad Whitson called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 146 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+0.20▲7 · 2-1 strike called ball
Matt Olson vs Sean Newcomb - 2-0.20▼8 · 2-1 ball called strike
Edgar Quero vs James Karinchak - 3-0.09▲7 · 0-0 ball called strike
Ozzie Albies vs Sean Newcomb
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
2 pitches went to the robots · 2 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Austin Wynns — ump said strike, robot ruled ball: overturned.
- 2Edgar Quero — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.