Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-29

PIT @ STL

Home plate: Marvin Hudson

“The Automated Ball-Strike System put in some overtime here.”

C+
Umpire Grade
90.7% accurate
2.0
Run Favor
runs, STL
6
ABS Overturns
of 7 reviewed

What this shows — how Marvin Hudson called the 161 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 146 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: Jake Mangum — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Jordan Walker — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Rafael Flores Jr. — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Carmen Mlodzinski — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Nick Gonzales — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Jimmy Crooks — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6Challenge 7: Gregory Soto — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.30▲3 · 3-1 ball called strike
    Brandon Lowe vs Kyle Leahy
  2. 2+0.28▼7 · 1-2 strike called ball
    JJ Wetherholt vs Gregory Soto
  3. 3+0.21▼3 · 3-0 strike called ball
    Iván Herrera vs Evan Sisk

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

7 pitches went to the robots · 6 overturned (ump overruled) · 1 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Jake Mangum — ump said strike, robot ruled ball: overturned.
  2. 2Jordan Walker — ump said strike, robot ruled ball: overturned.
  3. 3Rafael Flores Jr. — ump said ball, robot ruled strike: overturned.
  4. 4Carmen Mlodzinski — ump said ball, robot ruled strike: overturned.
  5. 5Nick Gonzales — ump said strike, robot ruled ball: overturned.
  6. 6Jimmy Crooks — ump said ball, robot ruled ball: upheld.
  7. 7Gregory Soto — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 7 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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