Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-07

NYM @ MIA

Home plate: Alfonso Márquez

If it was close, it was a strike. The hitters noticed.

D
Umpire Grade
88.5% accurate
0.3
Run Favor
runs, NYM
2
ABS Overturns
of 5 reviewed

What this shows — how Alfonso Márquez called the 174 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 154 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: Bo Bichette — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Marcus Semien — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Francisco Alvarez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Owen Caissie — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Graham Pauley — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.289 · 1-2 ball called strike· challenged
    Graham Pauley vs Austin Warren
  2. 2-0.212 · 3-0 ball called strike
    Juan Soto vs Eury Pérez
  3. 3+0.215 · 3-0 strike called ball
    Nick Morabito vs Cade Gibson

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

  1. 1Bo Bichette — ump said strike, robot ruled strike: upheld.
  2. 2Marcus Semien — ump said strike, robot ruled ball: overturned.
  3. 3Francisco Alvarez — ump said ball, robot ruled ball: upheld.
  4. 4Owen Caissie — ump said strike, robot ruled strike: upheld.
  5. 5Graham Pauley — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 4 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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