Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-16

DET @ TOR

Home plate: Dan Iassogna

“The black wasn't in play tonight.”

C+
Umpire Grade
90.7% accurate
0.9
Run Favor
runs, DET
3
ABS Overturns
of 5 reviewed

What this shows — how Dan Iassogna called the 151 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 137 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: Dillon Dingler — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Kevin McGonigle — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Brandon Valenzuela — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Brandon Valenzuela — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.69▲9 · 3-2 strike called ball· challenged ✓
    Kevin McGonigle vs Louis Varland
  2. 2+0.30▲3 · 3-1 strike called ball· challenged ✓
    Kevin McGonigle vs Max Scherzer
  3. 3-0.20▼1 · 2-1 ball called strike
    George Springer vs Keider Montero

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 · 3 overturned (ump overruled) · 2 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. 2Dillon Dingler — ump said ball, robot ruled ball: upheld.
  3. 3Kevin McGonigle — ump said strike, robot ruled ball: overturned.
  4. 4Brandon Valenzuela — ump said ball, robot ruled strike: overturned.
  5. 5Brandon Valenzuela — 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), not our error.

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