Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-04

CHC @ MIA

Home plate: Brennan Miller

“The zone kept to itself — the hitters said thanks.”

C+
Umpire Grade
90.2% accurate
0.5
Run Favor
runs, MIA
2
ABS Overturns
of 6 reviewed

What this shows — how Brennan Miller called the 163 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. 147 were right. Below, only the misses are plotted, alongside every challenged pitch.

The zone, as he called it

Challenge 1: Brian Navarreto — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Esteury Ruiz — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Brian Navarreto — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Nico Hoerner — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Carson Kelly — 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.5*Challenge 6: Carson Kelly — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6
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+0.19▲6 · 2-0 strike called ball
    Nico Hoerner vs Josh Ekness
  2. 2+0.19▼7 · 2-0 strike called ball
    Owen Caissie vs Aaron Civale
  3. 3-0.13▲5 · 1-1 ball called strike
    Carson Kelly vs Janson Junk

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 · 2 overturned (ump overruled) · 4 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Brian Navarreto — ump said ball, robot ruled strike: overturned.
  2. 2Esteury Ruiz — ump said strike, robot ruled strike: upheld.
  3. 3Brian Navarreto — ump said ball, robot ruled ball: upheld.
  4. 4Nico Hoerner — ump said strike, robot ruled strike: upheld.
  5. 5Carson Kelly — ump said ball, robot ruled strike: overturned.
  6. 6Carson Kelly — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 5 of 6 — 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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