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

NYY @ MIL

Home plate: Roberto Ortiz

One dugout got the friendlier version of the evening.

B
Umpire Grade
92.6% accurate
1.3
Run Favor
runs, NYY
3
ABS Overturns
of 5 reviewed

What this shows — how Roberto Ortiz called the 176 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 163 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: William Contreras — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: William Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Austin Wells — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: William Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Austin Wells — 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+0.398 · 2-2 strike called ball· challenged
    Jazz Chisholm Jr. vs DL Hall
  2. 2-0.306 · 3-1 ball called strike
    William Contreras vs Cam Schlittler
  3. 3-0.234 · 0-2 ball called strike
    Tyler Black vs Cam Schlittler

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. 1William Contreras — ump said ball, robot ruled ball: upheld.
  2. 2William Contreras — ump said ball, robot ruled strike: overturned.
  3. 3Austin Wells — ump said ball, robot ruled ball: upheld.
  4. 4William Contreras — ump said ball, robot ruled strike: overturned.
  5. 5Austin Wells — ump said ball, robot ruled strike: overturned.

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

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