Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-05-05

TOR @ TB

Home plate: Chris Guccione

A pitcher's-nightmare zone — you had to paint it to get it.

B
Umpire Grade
92.3% accurate
0.1
Run Favor
runs, TOR
2
ABS Overturns
of 5 reviewed

What this shows — how Chris Guccione called the 129 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 119 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: Brandon Valenzuela — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).1Challenge 2: Brandon Valenzuela — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Brandon Valenzuela — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Hunter Feduccia — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Nick Fortes — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.695 · 3-2 strike called ball
    Brandon Valenzuela vs Drew Rasmussen
  2. 2+0.391 · 2-2 strike called ball
    Yandy Díaz vs Kevin Gausman
  3. 3+0.397 · 2-2 strike called ball· challenged
    Andrés Giménez vs Hunter Bigge

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. 1Brandon Valenzuela — ump said ball, robot ruled ball: upheld.
  2. 2Brandon Valenzuela — ump said ball, robot ruled strike: overturned.
  3. 3Brandon Valenzuela — ump said ball, robot ruled ball: upheld.
  4. 4Hunter Feduccia — ump said ball, robot ruled strike: overturned.
  5. 5Nick Fortes — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 4 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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