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RECORD: 8 HIT · 12 MISS · 1 OPEN
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Blue Notes · Umpire Grade2026-09-18

KC @ PIT

Home plate: Bill Miller

“The robots earned their keep tonight.”

B-
Umpire Grade
91.3% accurate
0.3
Run Favor
runs, PIT
5
ABS Overturns
of 7 reviewed

What this shows — how Bill Miller called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 137 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: Bryan Reynolds — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Henry Davis — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Henry Davis — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Carter Jensen — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Carter Jensen — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Bobby Witt Jr. — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Spencer Horwitz — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.30▼4 · 3-1 strike called ball· challenged ✓
    Spencer Horwitz vs Randy Dobnak
  2. 2+0.20▼4 · 2-1 strike called ball
    Spencer Horwitz vs Randy Dobnak
  3. 3+0.20▼6 · 2-1 strike called ball· challenged ✓
    Bryan Reynolds vs Anthony Gose

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

7 pitches went to the robots · 5 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Bryan Reynolds — ump said strike, robot ruled ball: overturned.
  2. 2Henry Davis — ump said ball, robot ruled strike: overturned.
  3. 3Henry Davis — ump said ball, robot ruled ball: upheld.
  4. 4Carter Jensen — ump said ball, robot ruled strike: overturned.
  5. 5Carter Jensen — ump said ball, robot ruled strike: overturned.
  6. 6Bobby Witt Jr. — ump said strike, robot ruled strike: upheld.
  7. 7Spencer Horwitz — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 7 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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