Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-05-09

NYM @ AZ

Home plate: Lance Barksdale

Tonight's zone had a rooting interest.

C+
Umpire Grade
90.1% accurate
1.5
Run Favor
runs, AZ
4
ABS Overturns
of 6 reviewed

What this shows — how Lance Barksdale called the 151 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 136 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: Francisco Alvarez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Francisco Alvarez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Lourdes Gurriel Jr. — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Francisco Alvarez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Gabriel Moreno — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Francisco Alvarez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.693 · 3-2 strike called ball
    Adrian Del Castillo vs Clay Holmes
  2. 2+0.393 · 2-2 strike called ball· challenged
    Ryan Waldschmidt vs Clay Holmes
  3. 3+0.398 · 2-2 strike called ball
    Geraldo Perdomo vs Craig Kimbrel

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

6 pitches went to the robots · 4 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Francisco Alvarez — ump said strike, robot ruled ball: overturned.
  2. 2Francisco Alvarez — ump said ball, robot ruled strike: overturned.
  3. 3Lourdes Gurriel Jr. — ump said strike, robot ruled strike: upheld.
  4. 4Francisco Alvarez — ump said ball, robot ruled strike: overturned.
  5. 5Gabriel Moreno — ump said ball, robot ruled strike: overturned.
  6. 6Francisco Alvarez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 5 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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