Blue Notes · Umpire Grade2026-05-28
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
95.4% accurate
Run Favor
runs, DET
ABS Overturns
of 5 reviewed
What this shows — how Ben May called the 175 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 167 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
Kevin McGonigle vs Grayson Rodriguez - 2+0.10▼3 · 0-1 strike called ball
Dillon Dingler vs Grayson Rodriguez - 3-0.09▼1 · 0-0 ball called strike
Colt Keith vs Grayson Rodriguez
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
5 pitches went to the robots · 4 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Kevin McGonigle — ump said ball, robot ruled strike: overturned.
- 2Dillon Dingler — ump said strike, robot ruled strike: upheld.
- 3Sebastián Rivero — ump said strike, robot ruled ball: overturned.
- 4Sebastián Rivero — ump said strike, robot ruled ball: overturned.
- 5Oswald Peraza — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.