Blue Notes · Umpire Grade2026-05-03
AZ @ CHC
Home plate: Doug Eddings
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
95.9% accurate
Run Favor
runs, AZ
ABS Overturns
of 3 reviewed
What this shows — how Doug Eddings called the 169 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 162 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▲6 · 2-1 strike called ball
Corbin Carroll vs Matthew Boyd - 2-0.13▲2 · 1-0 ball called strike
Jose Fernandez vs Matthew Boyd - 3-0.13▼7 · 1-0 ball called strike
Seiya Suzuki vs Brandon Pfaadt
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 · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Ian Happ — ump said ball, robot ruled strike: overturned.
- 2Seiya Suzuki — ump said strike, robot ruled strike: upheld.
- 3Jorge Barrosa — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.