Blue Notes · Umpire Grade2026-05-02
AZ @ CHC
Home plate: Gabe Morales
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
95.4% accurate
Run Favor
runs, CHC
ABS Overturns
of 6 reviewed
What this shows — how Gabe Morales called the 131 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 125 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+0.19▼5 · 2-0 strike called ball
Moisés Ballesteros vs Ryne Nelson - 2+0.13▼7 · 1-1 strike called ball
Michael Busch vs Taylor Clarke - 3+0.13▲8 · 1-1 strike called ball· challenged
Jorge Barrosa vs Ben Brown
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
6 pitches went to the robots · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Miguel Amaya — ump said ball, robot ruled strike: overturned.
- 2Pete Crow-Armstrong — ump said strike, robot ruled strike: upheld.
- 3James McCann — ump said ball, robot ruled ball: upheld.
- 4Miguel Amaya — ump said ball, robot ruled ball: upheld.
- 5Ketel Marte — ump said ball, robot ruled strike: overturned.
- 6James McCann — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 2 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.