Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-04-10

WSH @ MIL

Home plate: Mark Wegner

Solid and unspectacular — exactly what the job asks.

B
Umpire Grade
92.4% accurate
0.2
Run Favor
runs, WSH
4
ABS Overturns
of 5 reviewed

What this shows — how Mark Wegner called the 171 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 158 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: William Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: William Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: William Contreras — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Drew Millas — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.201 · 2-1 strike called ball
    James Wood vs Aaron Ashby
  2. 2-0.195 · 2-0 ball called strike
    William Contreras vs Jake Irvin
  3. 3-0.198 · 2-0 ball called strike
    Brady House vs Abner Uribe

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

5 pitches went to the robots · 4 overturned (ump overruled) · 1 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. 2William Contreras — ump said ball, robot ruled strike: overturned.
  3. 3William Contreras — ump said ball, robot ruled strike: overturned.
  4. 4William Contreras — ump said ball, robot ruled ball: upheld.
  5. 5Drew Millas — ump said ball, robot ruled strike: overturned.

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

Paste the link anywhere — the card previews on its own. Or take it with you.

Post on X