Blue Notes · Umpire Grade2026-06-16
KC @ WSH
Home plate: Chad Fairchild
“Somebody's pitching staff sent a thank-you note.”
Umpire Grade
92.0% accurate
Run Favor
runs, KC
ABS Overturns
of 3 reviewed
What this shows — how Chad Fairchild called the 151 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 139 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+0.69▲5 · 3-2 strike called ball
Lane Thomas vs Foster Griffin - 2+0.28▲1 · 1-2 strike called ball
Maikel Garcia vs Foster Griffin - 3+0.23▲4 · 0-2 strike called ball
Salvador Perez vs Foster Griffin
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 · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Maikel Garcia — ump said strike, robot ruled strike: upheld.
- 2Nick Loftin — ump said ball, robot ruled strike: overturned.
- 3Salvador Perez — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.