Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-23

A few too many trips to the challenge cart.

B
Umpire Grade
92.5% accurate
0.7
Run Favor
runs, AZ
5
ABS Overturns
of 8 reviewed

What this shows — how Shane Livensparger called the 160 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 148 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: James McCann — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Will Banfield — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Elly De La Cruz — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Geraldo Perdomo — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: James McCann — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: James McCann — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6Challenge 7: Sal Stewart — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).7Challenge 8: James McCann — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).8
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.301 · 3-1 ball called strike
    Eugenio Suárez vs Mitch Bratt
  2. 2+0.283 · 1-2 strike called ball
    Tyler Stephenson vs Mitch Bratt
  3. 3+0.289 · 1-2 strike called ball
    Héctor Rodríguez vs Brandyn Garcia

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

8 pitches went to the robots · 5 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1James McCann — ump said strike, robot ruled ball: overturned.
  2. 2Will Banfield — ump said ball, robot ruled ball: upheld.
  3. 3Elly De La Cruz — ump said ball, robot ruled strike: overturned.
  4. 4Geraldo Perdomo — ump said ball, robot ruled strike: overturned.
  5. 5James McCann — ump said strike, robot ruled ball: overturned.
  6. 6James McCann — ump said ball, robot ruled ball: upheld.
  7. 7Sal Stewart — ump said strike, robot ruled strike: upheld.
  8. 8James McCann — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 4 of 8 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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