Blue Notes · Umpire Grade2026-06-12
PHI @ MIL
Home plate: Chad Fairchild
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
94.3% accurate
Run Favor
runs, PHI
ABS Overturns
of 5 reviewed
What this shows — how Chad Fairchild called the 124 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 117 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▼1 · 1-1 ball called strike
William Contreras vs Tanner Banks - 2+0.13▲4 · 1-1 strike called ball
Bryce Harper vs Jacob Misiorowski - 3-0.13▼8 · 1-1 ball called strike
Jackson Chourio vs Tim Mayza
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
5 pitches went to the robots · 2 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1William Contreras — ump said strike, robot ruled ball: overturned.
- 2William Contreras — ump said ball, robot ruled ball: upheld.
- 3J.T. Realmuto — ump said ball, robot ruled ball: upheld.
- 4William Contreras — ump said strike, robot ruled ball: overturned.
- 5William Contreras — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.