Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-12

BAL @ TOR

Home plate: Edwin Moscoso

“The strike zone picked a side, and wasn't shy about it.”

B
Umpire Grade
92.6% accurate
1.7
Run Favor
runs, TOR
3
ABS Overturns
of 5 reviewed

What this shows — how Edwin Moscoso called the 162 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. 150 were right. Below, only the misses are plotted, alongside every challenged pitch.

The zone, as he called it

Challenge 1: Gunnar Henderson — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Alejandro Kirk — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Carlos Narváez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Alejandro Kirk — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Carlos Narváez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.39▲1 · 2-2 ball called strike
    Dylan Beavers vs Spencer Miles
  2. 2-0.39▲1 · 2-2 ball called strike· challenged ✓
    Gunnar Henderson vs Spencer Miles
  3. 3+0.30▲4 · 3-1 strike called ball· challenged ✓
    Coby Mayo vs Spencer Arrighetti

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

  1. 1Gunnar Henderson — ump said strike, robot ruled ball: overturned.
  2. 2Alejandro Kirk — ump said ball, robot ruled strike: overturned.
  3. 3Carlos Narváez — ump said ball, robot ruled strike: overturned.
  4. 4Alejandro Kirk — ump said strike, robot ruled strike: upheld.
  5. 5Carlos Narváez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 5 of 5 — 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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