Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-05-23

NYM @ MIA

Home plate: Derek Thomas

Nothing that'll trend, and on this beat that's a compliment.

A-
Umpire Grade
94.8% accurate
0.3
Run Favor
runs, NYM
1
ABS Overturns
of 3 reviewed

What this shows — how Derek Thomas called the 135 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 128 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: Juan Soto — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Freddy Peralta — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Carson Benge — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.136 · 1-1 strike called ball
    Carson Benge vs Max Meyer
  2. 2+0.137 · 1-0 strike called ball· challenged
    Otto Lopez vs Freddy Peralta
  3. 3-0.106 · 0-1 ball called strike
    Owen Caissie vs Freddy Peralta

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

3 pitches went to the robots · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Juan Soto — ump said strike, robot ruled ball: overturned.
  2. 2Freddy Peralta — ump said ball, robot ruled ball: upheld.
  3. 3Carson Benge — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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