Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-19

LAA @ HOU

Home plate: Mike Estabrook

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

B+
Umpire Grade
93.1% accurate
0.3
Run Favor
runs, HOU
4
ABS Overturns
of 6 reviewed

What this shows — how Mike Estabrook called the 174 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 162 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: Christian Vázquez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Moisés Ballesteros — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Nick Allen — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Vaughn Grissom — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: LaMonte Wade Jr. — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Moisés Ballesteros — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.397 · 2-2 ball called strike
    Mike Trout vs Steven Okert
  2. 2+0.285 · 1-2 strike called ball
    Nolan Schanuel vs Bennett Sousa
  3. 3-0.207 · 2-1 ball called strike
    Mike Trout vs Steven Okert

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

  1. 1Christian Vázquez — ump said strike, robot ruled ball: overturned.
  2. 2Moisés Ballesteros — ump said strike, robot ruled ball: overturned.
  3. 3Nick Allen — ump said strike, robot ruled strike: upheld.
  4. 4Vaughn Grissom — ump said strike, robot ruled strike: upheld.
  5. 5LaMonte Wade Jr. — ump said ball, robot ruled strike: overturned.
  6. 6Moisés Ballesteros — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 3 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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