Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-17

DET @ PIT

Home plate: Ben May

The robots earned their keep tonight.

A
Umpire Grade
95.2% accurate
0.1
Run Favor
runs, DET
6
ABS Overturns
of 9 reviewed

What this shows — how Ben May called the 168 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 160 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: Henry Davis — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Henry Davis — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Henry Davis — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Nick Gonzales — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Esmerlyn Valdez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Henry Davis — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6Challenge 7: Camilo Doval — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).7Challenge 8: Dillon Dingler — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).8Challenge 9: Dillon Dingler — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).9
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.235 · 0-2 strike called ball
    Gleyber Torres vs Isaac Mattson
  2. 2-0.212 · 3-0 ball called strike
    Nick Gonzales vs Framber Valdez
  3. 3-0.196 · 2-0 ball called strike
    Colt Keith vs Yohan Ramírez

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

9 pitches went to the robots · 6 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Henry Davis — ump said strike, robot ruled ball: overturned.
  2. 2Henry Davis — ump said strike, robot ruled ball: overturned.
  3. 3Henry Davis — ump said strike, robot ruled ball: overturned.
  4. 4Nick Gonzales — ump said ball, robot ruled strike: overturned.
  5. 5Esmerlyn Valdez — ump said strike, robot ruled strike: upheld.
  6. 6Henry Davis — ump said strike, robot ruled ball: overturned.
  7. 7Camilo Doval — ump said ball, robot ruled ball: upheld.
  8. 8Dillon Dingler — ump said strike, robot ruled strike: upheld.
  9. 9Dillon Dingler — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 3 of 9 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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