Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-06-12

HOU @ KC

Home plate: Bruce Dreckman

The Automated Ball-Strike System put in some overtime here.

D
Umpire Grade
88.9% accurate
0.6
Run Favor
runs, KC
6
ABS Overturns
of 8 reviewed

What this shows — how Bruce Dreckman called the 198 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 176 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: Christian Vázquez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: Maikel Garcia — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Salvador Perez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Salvador Perez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Isaac Collins — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Jeremy Peña — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6Challenge 7: Christian Vázquez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).7Challenge 8: Salvador Perez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).8
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.301 · 3-1 strike called ball· challenged
    Bobby Witt Jr. vs Tatsuya Imai
  2. 2+0.234 · 0-2 strike called ball· challenged
    Taylor Trammell vs Steven Cruz
  3. 3+0.204 · 2-1 strike called ball
    Isaac Collins vs AJ Blubaugh

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

  1. 1Christian Vázquez — ump said ball, robot ruled ball: upheld.
  2. 2Maikel Garcia — ump said strike, robot ruled ball: overturned.
  3. 3Salvador Perez — ump said ball, robot ruled strike: overturned.
  4. 4Salvador Perez — ump said ball, robot ruled strike: overturned.
  5. 5Isaac Collins — ump said strike, robot ruled ball: overturned.
  6. 6Jeremy Peña — ump said strike, robot ruled ball: overturned.
  7. 7Christian Vázquez — ump said ball, robot ruled strike: overturned.
  8. 8Salvador Perez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 7 of 8 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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