Blue Notes · Umpire Grade2026-04-03
HOU @ ATH
Home plate: Edwin Moscoso
“The corners were friendlier in one direction tonight.”
Umpire Grade
94.0% accurate
Run Favor
runs, HOU
ABS Overturns
of 4 reviewed
What this shows — how Edwin Moscoso called the 182 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 171 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+0.39▲3 · 2-2 strike called ball
Brice Matthews vs Jeffrey Springs - 2+0.28▲2 · 1-2 strike called ball
Jake Meyers vs Jeffrey Springs - 3+0.28▲9 · 1-2 strike called ball· challenged
Christian Vázquez vs J.T. Ginn
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
4 pitches went to the robots · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Shea Langeliers — ump said strike, robot ruled ball: overturned.
- 2Shea Langeliers — ump said ball, robot ruled ball: upheld.
- 3Yainer Diaz — ump said strike, robot ruled ball: overturned.
- 4Shea Langeliers — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.