Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-05-19

SF @ AZ

Home plate: Bill Miller

Called a fair game and let the players decide it.

A-
Umpire Grade
94.5% accurate
0.1
Run Favor
runs, AZ
4
ABS Overturns
of 5 reviewed

What this shows — how Bill Miller called the 146 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 138 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: Gabriel Moreno — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Willy Adames — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Geraldo Perdomo — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Daniel Susac — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Ketel Marte — 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. 1-0.398 · 2-2 ball called strike· challenged
    Willy Adames vs Kevin Ginkel
  2. 2-0.216 · 3-0 ball called strike
    Matt Chapman vs Ryne Nelson
  3. 3-0.135 · 1-1 ball called strike
    Ryan Waldschmidt vs Landen Roupp

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.

  1. 1Gabriel Moreno — ump said ball, robot ruled strike: overturned.
  2. 2Willy Adames — ump said strike, robot ruled ball: overturned.
  3. 3Geraldo Perdomo — ump said strike, robot ruled ball: overturned.
  4. 4Daniel Susac — ump said ball, robot ruled ball: upheld.
  5. 5Ketel Marte — 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.

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