Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-16

MIL @ PIT

Home plate: D.J. Reyburn

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

A-
Umpire Grade
94.5% accurate
0.9
Run Favor
runs, MIL
3
ABS Overturns
of 4 reviewed

What this shows — how D.J. Reyburn called the 145 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 137 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: Rafael Flores Jr. — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Brice Turang — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Konnor Griffin — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Jake Mangum — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.39▼4 · 2-2 ball called strike
    Rafael Flores Jr. vs Logan Henderson
  2. 2+0.28▲2 · 1-2 strike called ball
    Christian Yelich vs Jared Jones
  3. 3-0.10▼7 · 0-1 ball called strike· challenged ✓
    Konnor Griffin vs Antonio Senzatela

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 · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Rafael Flores Jr. — ump said ball, robot ruled strike: overturned.
  2. 2Brice Turang — ump said strike, robot ruled ball: overturned.
  3. 3Konnor Griffin — ump said strike, robot ruled ball: overturned.
  4. 4Jake Mangum — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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