Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-31

SF @ ATL

Home plate: Adrian Johnson

Two dugouts, and only one of them smiling.

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

What this shows — how Adrian Johnson called the 131 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 118 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 Gilbert — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Sean Murphy — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Andrew Knizner — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Sean Murphy — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Sean Murphy — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5Challenge 6: Andrew Knizner — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.695 · 3-2 ball called strike
    Drew Gilbert vs Bryce Elder
  2. 2-0.391 · 2-2 ball called strike· challenged
    Drew Gilbert vs Bryce Elder
  3. 3+0.399 · 2-2 strike called ball· challenged
    Mike Yastrzemski vs Dylan Smith

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. 1Drew Gilbert — ump said strike, robot ruled ball: overturned.
  2. 2Sean Murphy — ump said ball, robot ruled strike: overturned.
  3. 3Andrew Knizner — ump said ball, robot ruled strike: overturned.
  4. 4Sean Murphy — ump said ball, robot ruled ball: upheld.
  5. 5Sean Murphy — ump said ball, robot ruled ball: upheld.
  6. 6Andrew Knizner — ump said ball, robot ruled strike: overturned.

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

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