Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-07-29

BOS @ ATH

Home plate: Bruce Dreckman

An honest evening's grade: nothing loud, nothing missed by much.

A
Umpire Grade
96.3% accurate
0.3
Run Favor
runs, BOS
4
ABS Overturns
of 7 reviewed

What this shows — how Bruce Dreckman called the 160 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: Willson Contreras — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Andruw Monasterio — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Jonah Heim — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Connor Wong — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Carlos Cortes — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Carlos Narváez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6Challenge 7: Carlos Narváez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.194 · 2-0 ball called strike
    Tyler Soderstrom vs Patrick Sandoval
  2. 2-0.132 · 1-1 ball called strike
    Alika Williams vs Patrick Sandoval
  3. 3-0.131 · 1-0 ball called strike
    Jahmai Jones vs Jacob Lopez

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

7 pitches went to the robots · 4 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Willson Contreras — ump said ball, robot ruled strike: overturned.
  2. 2Andruw Monasterio — ump said strike, robot ruled strike: upheld.
  3. 3Jonah Heim — ump said strike, robot ruled ball: overturned.
  4. 4Connor Wong — ump said strike, robot ruled ball: overturned.
  5. 5Carlos Cortes — ump said strike, robot ruled strike: upheld.
  6. 6Carlos Narváez — ump said strike, robot ruled ball: overturned.
  7. 7Carlos Narváez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 2 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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