Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-10-14

MIL @ LAD

Home plate: Mark Wegner

“Down the middle. Both dugouts had the same zone.”

B+
Umpire Grade
93.6% accurate
0.3
Run Favor
runs, MIL
4
ABS Overturns
of 4 reviewed

What this shows — how Mark Wegner called the 157 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 147 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: William Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Will Smith — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Will Smith — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Mookie Betts — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.28▼1 · 1-2 strike called ball· challenged ✓
    Teoscar Hernández vs Robert Gasser
  2. 2+0.23▲4 · 0-2 strike called ball· challenged ✓
    Garrett Mitchell vs Blake Snell
  3. 3-0.23▼4 · 0-2 ball called strike· challenged ✓
    Will Smith vs Robert Gasser

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

4 pitches went to the robots · 4 overturned (ump overruled) · 0 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1William Contreras — ump said ball, robot ruled strike: overturned.
  2. 2Will Smith — ump said ball, robot ruled strike: overturned.
  3. 3Will Smith — ump said strike, robot ruled ball: overturned.
  4. 4Mookie Betts — ump said strike, robot ruled ball: overturned.

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

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