Blue Notes · Umpire Grade2026-07-10
HOU @ TEX
Home plate: Quinn Wolcott
“If it was close, it was a strike. The hitters noticed.”
Umpire Grade
93.1% accurate
Run Favor
runs, HOU
ABS Overturns
of 3 reviewed
What this shows — how Quinn Wolcott called the 145 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 135 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
- 1-0.30▼2 · 3-1 ball called strike
Nicky Lopez vs Hunter Brown - 2-0.30▼4 · 3-1 ball called strike
Ezequiel Duran vs Hunter Brown - 3-0.28▼2 · 1-2 ball called strike
Kyle Higashioka vs Hunter 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
3 pitches went to the robots · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Joc Pederson — ump said strike, robot ruled strike: upheld.
- 2Yainer Diaz — ump said ball, robot ruled ball: upheld.
- 3Yainer Diaz — ump said strike, robot ruled ball: 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.