Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-04-21

TOR @ LAA

Home plate: Chad Fairchild

The zone had wings tonight.

C
Umpire Grade
89.9% accurate
0.5
Run Favor
runs, TOR
2
ABS Overturns
of 2 reviewed

What this shows — how Chad Fairchild called the 119 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 107 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: Logan O'Hoppe — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Brandon Valenzuela — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.306 · 3-1 ball called strike
    Ernie Clement vs Jack Kochanowicz
  2. 2+0.214 · 3-0 strike called ball
    Eloy Jiménez vs Jack Kochanowicz
  3. 3-0.205 · 2-1 ball called strike
    Nolan Schanuel vs Patrick Corbin

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

2 pitches went to the robots · 2 overturned (ump overruled) · 0 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Logan O'Hoppe — ump said ball, robot ruled strike: overturned.
  2. 2Brandon Valenzuela — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 1 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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