Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-22

MIN @ SF

Home plate: Steven Jaschinski

“The zone kept its promises.”

B+
Umpire Grade
93.3% accurate
0.5
Run Favor
runs, MIN
1
ABS Overturns
of 3 reviewed

What this shows — how Steven Jaschinski called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 140 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: Drew Cavanaugh — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: Andrew Knizner — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Victor Caratini — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▲5 · 2-2 strike called ball
    Emmanuel Rodriguez vs Anthony Molina
  2. 2-0.20▼6 · 2-1 ball called strike
    Turner Hill vs Taj Bradley
  3. 3+0.13▲8 · 1-1 strike called ball· challenged ✓
    Ryan Kreidler vs Duncan Davitt

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

3 pitches went to the robots · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Drew Cavanaugh — ump said ball, robot ruled ball: upheld.
  2. 2Andrew Knizner — ump said ball, robot ruled strike: overturned.
  3. 3Victor Caratini — ump said ball, robot ruled ball: upheld.

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

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