Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-07-27

HOU @ LAA

Home plate: Chris Guccione

Two dugouts, and only one of them smiling.

B+
Umpire Grade
93.3% accurate
1.3
Run Favor
runs, HOU
4
ABS Overturns
of 6 reviewed

What this shows — how Chris Guccione called the 180 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 168 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: Zach Neto — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Tyler Heineman — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Tyler Heineman — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Nolan Schanuel — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Tyler Heineman — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5Challenge 6: Christian Vázquez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.309 · 3-1 strike called ball· challenged
    LaMonte Wade Jr. vs Sam Bachman
  2. 2+0.288 · 1-2 strike called ball
    Jose Altuve vs Ryan Zeferjahn
  3. 3+0.207 · 2-1 strike called ball
    Christian Vázquez vs Chase Silseth

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

  1. 1Zach Neto — ump said ball, robot ruled strike: overturned.
  2. 2Tyler Heineman — ump said strike, robot ruled ball: overturned.
  3. 3Tyler Heineman — ump said strike, robot ruled ball: overturned.
  4. 4Nolan Schanuel — ump said ball, robot ruled strike: overturned.
  5. 5Tyler Heineman — ump said ball, robot ruled ball: upheld.
  6. 6Christian Vázquez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 1 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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