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

“The catcher barely had to sell a thing.”

A+
Umpire Grade
98.0% accurate
0.0
Run Favor
runs, LAA
1
ABS Overturns
of 4 reviewed

What this shows — how Steven Jaschinski called the 153 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: Keibert Ruiz — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: Keibert Ruiz — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled). Our tracking puts it on the other side of the line; the grade follows the ruling.2*Challenge 3: Keibert Ruiz — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Harry Ford — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4
strike called ballball called strikeABS overturnedABS upheld

* Graded on the ABS ruling. ABS measures its own zone, set by the batter’s height and taken at the middle of the plate, and our tracking puts this pitch on the other side of the line.

The calls that moved the game

  1. 1+0.23▲3 · 0-2 strike called ball· challenged ✓
    Zach Neto vs Andrew Alvarez
  2. 2+0.10▼9 · 0-1 strike called ball
    James Wood vs Ben Joyce
  3. 3-0.09▲8 · 0-0 ball called strike
    Christian Moore vs Brad Lord

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. 1Keibert Ruiz — ump said ball, robot ruled ball: upheld.
  2. 2Keibert Ruiz — ump said ball, robot ruled strike: overturned.
  3. 3Keibert Ruiz — ump said ball, robot ruled ball: upheld.
  4. 4Harry Ford — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 3 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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