Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-08

LAD @ AZ

Home plate: Nate Tomlinson

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

B+
Umpire Grade
93.8% accurate
1.0
Run Favor
runs, LAD
3
ABS Overturns
of 5 reviewed

What this shows — how Nate Tomlinson called the 194 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 182 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: Geraldo Perdomo — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Hunter Feduccia — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Hunter Feduccia — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Hunter Feduccia — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Teoscar Hernández — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.693 · 3-2 ball called strike
    Ryan Waldschmidt vs Yoshinobu Yamamoto
  2. 2+0.201 · 2-1 strike called ball
    Andy Pages vs Brandon Pfaadt
  3. 3+0.206 · 2-1 strike called ball
    Hunter Feduccia vs Brandon Pfaadt

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. 1Geraldo Perdomo — ump said strike, robot ruled strike: upheld.
  2. 2Hunter Feduccia — ump said ball, robot ruled strike: overturned.
  3. 3Hunter Feduccia — ump said strike, robot ruled ball: overturned.
  4. 4Hunter Feduccia — ump said ball, robot ruled ball: upheld.
  5. 5Teoscar Hernández — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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