Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-07

CLE @ BAL

Home plate: Chris Guccione

“If it was close, it was a strike. The hitters noticed.”

B-
Umpire Grade
91.0% accurate
0.9
Run Favor
runs, BAL
1
ABS Overturns
of 4 reviewed

What this shows — how Chris Guccione called the 156 pitches that were taken (no swing), graded against the tracked rulebook strike zone, or, on a pitch the ABS (Automated Ball-Strike System) reviewed on a challenge, against its ruling. 142 were right. Below, only the misses are plotted, alongside every challenged pitch.

The zone, as he called it

Challenge 1: Dylan Beavers — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Austin Hedges — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Blaze Alexander — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Patrick Bailey — 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. 1-0.39▲9 · 2-2 ball called strike· challenged ✓
    Patrick Bailey vs Josh Walker
  2. 2-0.28▲5 · 1-2 ball called strike
    Angel Genao vs Trevor Rogers
  3. 3-0.13▲2 · 1-1 ball called strike
    Angel Genao vs Trevor Rogers

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

  1. 1Dylan Beavers — ump said strike, robot ruled strike: upheld.
  2. 2Austin Hedges — ump said ball, robot ruled ball: upheld.
  3. 3Blaze Alexander — ump said strike, robot ruled strike: upheld.
  4. 4Patrick Bailey — 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). Where the two disagree, the umpire is graded on the ABS ruling.

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