Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-06-10

BOS @ TB

Home plate: Jim Wolf

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

A
Umpire Grade
95.5% accurate
0.1
Run Favor
runs, TB
2
ABS Overturns
of 4 reviewed

What this shows — how Jim Wolf called the 133 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 127 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: Cedric Mullins — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Hunter Feduccia — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Isiah Kiner-Falefa — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Isiah Kiner-Falefa — 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. 1-0.699 · 3-2 ball called strike· challenged
    Isiah Kiner-Falefa vs Garrett Cleavinger
  2. 2+0.197 · 2-0 strike called ball
    Mickey Gasper vs Drew Rasmussen
  3. 3-0.138 · 1-1 ball called strike
    Nick Fortes vs Justin Slaten

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

  1. 1Cedric Mullins — ump said strike, robot ruled ball: overturned.
  2. 2Hunter Feduccia — ump said ball, robot ruled ball: upheld.
  3. 3Isiah Kiner-Falefa — ump said strike, robot ruled strike: upheld.
  4. 4Isiah Kiner-Falefa — 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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