Blue Notes · Umpire Grade2026-06-09
“The grade leaned — the ledger says which way.”
Umpire Grade
91.9% accurate
Run Favor
runs, SF
ABS Overturns
of 5 reviewed
What this shows — how Jen Pawol called the 209 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 192 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▲2 · 3-2 ball called strike
James Wood vs Adrian Houser - 2-0.39▲6 · 2-2 ball called strike
Drew Millas vs JT Brubaker - 3+0.20▼7 · 2-1 strike called ball
Jung Hoo Lee vs Brad Lord
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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Jung Hoo Lee — ump said strike, robot ruled ball: overturned.
- 2Drew Millas — ump said ball, robot ruled ball: upheld.
- 3José Tena — ump said strike, robot ruled ball: overturned.
- 4Curtis Mead — ump said strike, robot ruled ball: overturned.
- 5Luis Arraez — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 5 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.