Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-05-14

STL @ ATH

Home plate: Felix Neon

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

C
Umpire Grade
89.5% accurate
1.3
Run Favor
runs, STL
9
ABS Overturns
of 12 reviewed

What this shows — how Felix Neon called the 143 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 128 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: Shea Langeliers — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: José Fermín — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Yohel Pozo — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Carlos Cortes — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Victor Scott II — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Shea Langeliers — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).6Challenge 7: Shea Langeliers — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).7Challenge 8: Brent Rooker — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).8Challenge 9: Iván Herrera — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).9Challenge 10: Shea Langeliers — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).10Challenge 11: Jeff McNeil — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).11Challenge 12: Iván Herrera — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).12
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.692 · 3-2 strike called ball· challenged
    José Fermín vs Jacob Lopez
  2. 2+0.287 · 1-2 strike called ball· challenged
    JJ Wetherholt vs Mark Leiter Jr.
  3. 3+0.289 · 1-2 strike called ball· challenged
    Shea Langeliers vs Riley O'Brien

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

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

  1. 1Shea Langeliers — ump said ball, robot ruled strike: overturned.
  2. 2José Fermín — ump said strike, robot ruled strike: upheld.
  3. 3Yohel Pozo — ump said strike, robot ruled ball: overturned.
  4. 4Carlos Cortes — ump said strike, robot ruled ball: overturned.
  5. 5Victor Scott II — ump said strike, robot ruled ball: overturned.
  6. 6Shea Langeliers — ump said ball, robot ruled strike: overturned.
  7. 7Shea Langeliers — ump said ball, robot ruled strike: overturned.
  8. 8Brent Rooker — ump said strike, robot ruled ball: overturned.
  9. 9Iván Herrera — ump said ball, robot ruled strike: overturned.
  10. 10Shea Langeliers — ump said ball, robot ruled ball: upheld.
  11. 11Jeff McNeil — ump said strike, robot ruled strike: upheld.
  12. 12Iván Herrera — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 9 of 12 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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