Fever BaseballFuture Value Radar (FVR) · On the record
RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-07-17

MIA @ MIL

Home plate: Nick Mahrley

“One side pitched to a slightly bigger plate.”

C
Umpire Grade
89.0% accurate
1.4
Run Favor
runs, MIA
3
ABS Overturns
of 5 reviewed

What this shows — how Nick Mahrley called the 182 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 162 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: Xavier Edwards — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Joe Mack — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Joe Mack — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: William Contreras — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Joe Mack — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▲4 · 2-2 strike called ball
    Otto Lopez vs Logan Henderson
  2. 2+0.23▲4 · 0-2 strike called ball
    Xavier Edwards vs Logan Henderson
  3. 3-0.23▼9 · 0-2 ball called strike
    Jackson Chourio vs Pete Fairbanks

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 Hawkeye ground truth, no model involved.

  1. 1Xavier Edwards — ump said ball, robot ruled strike: overturned.
  2. 2Joe Mack — ump said strike, robot ruled strike: upheld.
  3. 3Joe Mack — ump said strike, robot ruled ball: overturned.
  4. 4William Contreras — ump said strike, robot ruled ball: overturned.
  5. 5Joe Mack — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 2 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.