Blue Notes · Umpire Grade2026-06-12
TEX @ BOS
Home plate: Brian Walsh
“A steady night's work behind the plate.”
Umpire Grade
93.0% accurate
Run Favor
runs, TEX
ABS Overturns
of 3 reviewed
What this shows — how Brian Walsh called the 128 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 119 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
- 1-0.21▼8 · 3-0 ball called strike
Connor Wong vs Luis Curvelo - 2+0.19▼5 · 2-0 strike called ball
Caleb Durbin vs Jack Leiter - 3-0.13▼2 · 1-0 ball called strike
Connor Wong vs Jack Leiter
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 · 3 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Ceddanne Rafaela — ump said ball, robot ruled strike: overturned.
- 2Connor Wong — ump said strike, robot ruled ball: overturned.
- 3Caleb Durbin — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.