Blue Notes · Umpire Grade2026-04-21
NYY @ BOS
Home plate: Austin Jones
“Textbook top to bottom — a quiet masterclass.”
Umpire Grade
96.3% accurate
Run Favor
runs, NYY
ABS Overturns
of 4 reviewed
What this shows — how Austin Jones called the 160 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 154 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
- 1-0.13▲6 · 1-1 ball called strike
Ben Rice vs Connelly Early - 2-0.13▼3 · 1-0 ball called strike
Masataka Yoshida vs Luis Gil - 3+0.09▲1 · 0-0 strike called ball
Aaron Judge vs Connelly Early
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 · 1 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Aaron Judge — ump said strike, robot ruled strike: upheld.
- 2José Caballero — ump said strike, robot ruled strike: upheld.
- 3Caleb Durbin — ump said ball, robot ruled strike: overturned.
- 4Caleb Durbin — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.