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RECORD: 8 HIT · 12 MISS · 1 OPEN
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Blue Notes · Umpire Grade2026-08-15

COL @ SF

Home plate: John Bacon

“Nothing off the plate, and not much on the black either.”

B-
Umpire Grade
91.4% accurate
0.4
Run Favor
runs, COL
3
ABS Overturns
of 6 reviewed

What this shows — how John Bacon called the 128 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 117 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: Drew Cavanaugh — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: Logan Webb — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Brett Sullivan — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Brett Sullivan — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Brett Sullivan — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Turner Hill — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▲3 · 2-2 strike called ball· challenged ✓
    Mickey Moniak vs Logan Webb
  2. 2+0.39▼3 · 2-2 strike called ball
    Bryce Eldridge vs Michael Lorenzen
  3. 3+0.39▲9 · 2-2 strike called ball
    Willi Castro vs Dylan Smith

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

6 pitches went to the robots · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Drew Cavanaugh — ump said ball, robot ruled ball: upheld.
  2. 2Logan Webb — ump said ball, robot ruled strike: overturned.
  3. 3Brett Sullivan — ump said ball, robot ruled strike: overturned.
  4. 4Brett Sullivan — ump said ball, robot ruled ball: upheld.
  5. 5Brett Sullivan — ump said ball, robot ruled strike: overturned.
  6. 6Turner Hill — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 6 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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