Blue Notes · Umpire Grade2026-06-17
“The zone kept its promises.”
Umpire Grade
94.4% accurate
Run Favor
runs, LAA
ABS Overturns
of 4 reviewed
What this shows — how Jen Pawol called the 142 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 134 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+0.28▲1 · 1-2 strike called ball
Zach Neto vs Eduardo Rodriguez - 2-0.20▼2 · 2-1 ball called strike
Geraldo Perdomo vs Sam Aldegheri - 3+0.20▲4 · 2-1 strike called ball
Jo Adell vs Eduardo 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
4 pitches went to the robots · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Logan Porter — ump said strike, robot ruled ball: overturned.
- 2Denzer Guzman — ump said strike, robot ruled strike: upheld.
- 3Nolan Arenado — ump said ball, robot ruled strike: overturned.
- 4Gabriel Moreno — ump said ball, robot ruled ball: 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.