Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-07-24

LAA @ SF

Home plate: Edwin Moscoso

“The kind of night where the umpire is the least of the story.”

A
Umpire Grade
96.1% accurate
0.3
Run Favor
runs, SF
2
ABS Overturns
of 6 reviewed

What this shows — how Edwin Moscoso called the 181 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 174 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: Tyler Heineman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Casey Schmitt — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Drew Gilbert — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Tyler Heineman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Denzer Guzman — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Tyler Heineman — 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+0.69▼8 · 3-2 strike called ball· challenged ✓
    Rafael Devers vs Samy Natera Jr.
  2. 2-0.30▼6 · 3-1 ball called strike· challenged
    Casey Schmitt vs José Fermin
  3. 3-0.19▼1 · 2-0 ball called strike
    Rafael Devers vs Grayson Rodriguez

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

  1. 1Tyler Heineman — ump said ball, robot ruled strike: overturned.
  2. 2Casey Schmitt — ump said strike, robot ruled strike: upheld.
  3. 3Drew Gilbert — ump said strike, robot ruled strike: upheld.
  4. 4Tyler Heineman — ump said ball, robot ruled strike: overturned.
  5. 5Denzer Guzman — ump said strike, robot ruled strike: upheld.
  6. 6Tyler Heineman — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 5 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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