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RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-05-16

CHC @ CWS

Home plate: Brian O'Nora

“This one went to video review more than most.”

B
Umpire Grade
93.0% accurate
0.3
Run Favor
runs, CWS
5
ABS Overturns
of 5 reviewed

What this shows — how Brian O'Nora called the 156 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 145 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

Challenge 1: Miguel Amaya — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Munetaka Murakami — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Miguel Amaya — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Sam Antonacci — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Drew Romo — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.30▼1 · 3-1 strike called ball
    Munetaka Murakami vs Jameson Taillon
  2. 2-0.23▲5 · 0-2 ball called strike
    Pete Crow-Armstrong vs Davis Martin
  3. 3-0.21▼1 · 3-0 ball called strike
    Munetaka Murakami vs Jameson Taillon

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 · 5 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.

  1. 1Miguel Amaya — ump said strike, robot ruled ball: overturned.
  2. 2Munetaka Murakami — ump said ball, robot ruled strike: overturned.
  3. 3Miguel Amaya — ump said strike, robot ruled ball: overturned.
  4. 4Sam Antonacci — ump said ball, robot ruled strike: overturned.
  5. 5Drew Romo — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 0 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.