Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-18

Reliable as a Tuesday: no complaints, no headlines.

A
Umpire Grade
95.0% accurate
0.2
Run Favor
runs, MIA
2
ABS Overturns
of 5 reviewed

What this shows — how Shane Livensparger called the 180 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 171 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: J.T. Realmuto — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Agustín Ramírez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Brian Navarreto — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Bryce Harper — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Brian Navarreto — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.213 · 3-0 strike called ball
    Xavier Edwards vs Zack Wheeler
  2. 2+0.133 · 1-0 strike called ball
    Xavier Edwards vs Zack Wheeler
  3. 3+0.136 · 1-0 strike called ball
    Agustín Ramírez vs Alex McFarlane

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

  1. 1J.T. Realmuto — ump said strike, robot ruled ball: overturned.
  2. 2Agustín Ramírez — ump said strike, robot ruled strike: upheld.
  3. 3Brian Navarreto — ump said strike, robot ruled ball: overturned.
  4. 4Bryce Harper — ump said strike, robot ruled strike: upheld.
  5. 5Brian Navarreto — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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