Blue Notes · Umpire Grade2026-06-13
LAD @ CWS
Home plate: Tom Hanahan
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
94.8% accurate
Run Favor
runs, CWS
ABS Overturns
of 4 reviewed
What this shows — how Tom Hanahan called the 173 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 164 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▲1 · 2-2 ball called strike· challenged
Andy Pages vs Sean Burke - 2+0.30▲2 · 3-1 strike called ball
Dalton Rushing vs Sean Burke - 3+0.23▼2 · 0-2 strike called ball
Braden Montgomery vs Yoshinobu Yamamoto
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.
- 1Andy Pages — ump said strike, robot ruled strike: upheld.
- 2Edgar Quero — ump said ball, robot ruled ball: upheld.
- 3Sam Antonacci — ump said ball, robot ruled strike: overturned.
- 4Miguel Vargas — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.