Fever BaseballFuture Value Radar (FVR) · On the record
RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-05-06

BOS @ DET

Home plate: Jonathan Parra

“Down the middle. Both dugouts had the same zone.”

A+
Umpire Grade
98.8% accurate
0.2
Run Favor
runs, DET
3
ABS Overturns
of 4 reviewed

What this shows — how Jonathan Parra called the 170 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: Spencer Torkelson — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Dillon Dingler — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Dillon Dingler — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Carlos Narváez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.10▼1 · 0-1 strike called ball
    Kevin McGonigle vs Sonny Gray
  2. 2+0.09▼3 · 0-0 strike called ball
    Matt Vierling vs Sonny Gray

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

4 pitches went to the robots · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.

  1. 1Spencer Torkelson — ump said ball, robot ruled strike: overturned.
  2. 2Dillon Dingler — ump said strike, robot ruled ball: overturned.
  3. 3Dillon Dingler — ump said strike, robot ruled ball: overturned.
  4. 4Carlos Narváez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.