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

MIL @ KC

Home plate: Ryan Wills

Somebody's pitching staff sent a thank-you note.

A-
Umpire Grade
94.0% accurate
1.2
Run Favor
runs, MIL
4
ABS Overturns
of 5 reviewed

What this shows — how Ryan Wills called the 201 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 189 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: Salvador Perez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: William Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Salvador Perez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Lane Thomas — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Bobby Witt Jr. — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.234 · 0-2 strike called ball
    William Contreras vs Daniel Lynch IV
  2. 2-0.235 · 0-2 ball called strike
    Maikel Garcia vs Chad Patrick
  3. 3+0.238 · 0-2 strike called ball
    Brandon Lockridge vs John Schreiber

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. 1Salvador Perez — ump said ball, robot ruled ball: upheld.
  2. 2William Contreras — ump said ball, robot ruled strike: overturned.
  3. 3Salvador Perez — ump said ball, robot ruled strike: overturned.
  4. 4Lane Thomas — ump said strike, robot ruled ball: overturned.
  5. 5Bobby Witt Jr. — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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