Blue Notes · Umpire Grade2026-05-23
“The kind of night where the umpire is the least of the story.”
Umpire Grade
96.0% accurate
Run Favor
runs, AZ
ABS Overturns
of 2 reviewed
What this shows — how Rob Drake called the 149 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 143 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▲4 · 3-0 ball called strike
Sterlin Thompson vs Zac Gallen - 2+0.19▼7 · 2-0 strike called ball
Ildemaro Vargas vs Keegan Thompson - 3+0.13▼1 · 1-0 strike called ball
Ildemaro Vargas vs Michael Lorenzen
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
2 pitches went to the robots · 1 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Hunter Goodman — ump said strike, robot ruled ball: overturned.
- 2Gabriel Moreno — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.