Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-15

ATL @ CHC

Home plate: Quinn Wolcott

“The zone leaned, and the ledger noticed.”

A
Umpire Grade
96.0% accurate
2.1
Run Favor
runs, CHC
0
ABS Overturns
of 3 reviewed

What this shows — how Quinn Wolcott called the 152 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 146 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: Drake Baldwin — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: Matt Olson — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Michael Busch — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.69▼1 · 3-2 strike called ball
    Tyrone Taylor vs Martín Pérez
  2. 2+0.69▼2 · 3-2 strike called ball· challenged
    Matt Shaw vs Martín Pérez
  3. 3-0.39▲1 · 2-2 ball called strike
    Drake Baldwin vs Kevin Gausman

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

3 pitches went to the robots · 0 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Drake Baldwin — ump said ball, robot ruled ball: upheld.
  2. 2Matt Olson — ump said strike, robot ruled strike: upheld.
  3. 3Michael Busch — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 2 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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