Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-06-01

COL @ LAA

Home plate: Brian Walsh

An honest evening's grade: nothing loud, nothing missed by much.

A-
Umpire Grade
94.3% accurate
0.5
Run Favor
runs, COL
3
ABS Overturns
of 6 reviewed

What this shows — how Brian Walsh called the 174 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 164 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: Willi Castro — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Hunter Goodman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Willi Castro — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: José Soriano — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Sterlin Thompson — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Logan O'Hoppe — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.308 · 3-1 strike called ball
    Jake McCarthy vs José Fermin
  2. 2+0.235 · 0-2 strike called ball
    Oswald Peraza vs Kyle Freeland
  3. 3+0.202 · 2-1 strike called ball
    Edouard Julien vs José Soriano

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

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

  1. 1Willi Castro — ump said strike, robot ruled ball: overturned.
  2. 2Hunter Goodman — ump said ball, robot ruled strike: overturned.
  3. 3Willi Castro — ump said strike, robot ruled strike: upheld.
  4. 4José Soriano — ump said ball, robot ruled strike: overturned.
  5. 5Sterlin Thompson — ump said strike, robot ruled strike: upheld.
  6. 6Logan O'Hoppe — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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