Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-07-31

AZ @ CLE

Home plate: Will Little

The robots earned their keep tonight.

B+
Umpire Grade
93.5% accurate
1.3
Run Favor
runs, CLE
5
ABS Overturns
of 5 reviewed

What this shows — how Will Little called the 138 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 129 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: Tanner Bibee — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Gabriel Moreno — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Corbin Carroll — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Gabriel Moreno — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Austin Hedges — 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. 1-0.697 · 3-2 ball called strike· challenged
    Ketel Marte vs Tanner Bibee
  2. 2+0.201 · 2-1 strike called ball
    José Ramírez vs Mitch Bratt
  3. 3-0.207 · 2-1 ball called strike
    Ketel Marte vs Tanner Bibee

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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Tanner Bibee — ump said strike, robot ruled ball: overturned.
  2. 2Gabriel Moreno — ump said strike, robot ruled ball: overturned.
  3. 3Corbin Carroll — ump said ball, robot ruled strike: overturned.
  4. 4Gabriel Moreno — ump said strike, robot ruled ball: overturned.
  5. 5Austin Hedges — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 1 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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