Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-21

CHC @ SEA

Home plate: Brennan Miller

A small strike zone, generously enforced for the offense.

B
Umpire Grade
92.7% accurate
0.9
Run Favor
runs, CHC
4
ABS Overturns
of 8 reviewed

What this shows — how Brennan Miller called the 151 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: Cal Raleigh — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Carson Kelly — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Cal Raleigh — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Cal Raleigh — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Carson Kelly — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Michael Busch — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Brendan Donovan — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).7Challenge 8: Cal Raleigh — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).8
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.308 · 3-1 strike called ball
    Pedro Ramírez vs Eduard Bazardo
  2. 2+0.281 · 1-2 strike called ball
    Pete Crow-Armstrong vs Emerson Hancock
  3. 3-0.133 · 1-0 ball called strike
    Josh Naylor vs Matthew Boyd

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

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

  1. 1Cal Raleigh — ump said strike, robot ruled ball: overturned.
  2. 2Carson Kelly — ump said ball, robot ruled ball: upheld.
  3. 3Cal Raleigh — ump said ball, robot ruled ball: upheld.
  4. 4Cal Raleigh — ump said strike, robot ruled ball: overturned.
  5. 5Carson Kelly — ump said strike, robot ruled ball: overturned.
  6. 6Michael Busch — ump said strike, robot ruled strike: upheld.
  7. 7Brendan Donovan — ump said strike, robot ruled strike: upheld.
  8. 8Cal Raleigh — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 3 of 8 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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