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

ATH @ SEA

Home plate: Sean Barber

“Solid and unspectacular — exactly what the job asks.”

A-
Umpire Grade
94.5% accurate
0.3
Run Favor
runs, SEA
2
ABS Overturns
of 5 reviewed

What this shows — how Sean Barber called the 146 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. 138 were right. Below, only the misses are plotted, alongside every challenged pitch.

The zone, as he called it

Challenge 1: Henry Bolte — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Julio Rodríguez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Cal Raleigh — the ump called it a ball, the robot ruled ball (upheld — ump confirmed). Our tracking puts it on the other side of the line; the grade follows the ruling.3*Challenge 4: Jonah Heim — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Jonah Heim — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5
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+0.69▼4 · 3-2 strike called ball
    J.P. Crawford vs Brady Basso
  2. 2+0.23▲2 · 0-2 strike called ball
    Lawrence Butler vs Logan Gilbert
  3. 3+0.20▲3 · 2-1 strike called ball
    Jeff McNeil vs Logan Gilbert

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. 1Henry Bolte — ump said strike, robot ruled strike: upheld.
  2. 2Julio Rodríguez — ump said strike, robot ruled strike: upheld.
  3. 3Cal Raleigh — ump said ball, robot ruled ball: upheld.
  4. 4Jonah Heim — ump said ball, robot ruled strike: overturned.
  5. 5Jonah Heim — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 4 of 5 — 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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