Blue Notes · Umpire Grade2026-06-20
“The corners were friendlier in one direction tonight.”
Umpire Grade
90.2% accurate
Run Favor
runs, NYY
ABS Overturns
of 4 reviewed
What this shows — how Laz Diaz called the 163 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 147 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+0.69▼3 · 3-2 strike called ball
Anthony Volpe vs Andrew Abbott - 2-0.30▲8 · 3-1 ball called strike
Dane Myers vs Ryan Yarbrough - 3+0.23▼1 · 0-2 strike called ball
Ben Rice vs Andrew Abbott
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.
- 1Ali Sánchez — ump said ball, robot ruled ball: upheld.
- 2Anthony Volpe — ump said ball, robot ruled strike: overturned.
- 3Spencer Steer — ump said ball, robot ruled strike: overturned.
- 4Paul Goldschmidt — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.