Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-04-05

HOU @ ATH

Home plate: Nic Lentz

The zone shrank when the pitchers needed it most.

B-
Umpire Grade
91.2% accurate
0.5
Run Favor
runs, HOU
3
ABS Overturns
of 7 reviewed

What this shows — how Nic Lentz called the 228 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 208 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 ball (upheld — ump confirmed).1Challenge 2: Yainer Diaz — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Yainer Diaz — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Jeff McNeil — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Carlos Cortes — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Joey Loperfido — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Shea Langeliers — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.693 · 3-2 ball called strike
    Tyler Soderstrom vs Lance McCullers Jr.
  2. 2+0.397 · 2-2 strike called ball
    Nick Kurtz vs Christian Roa
  3. 3+0.399 · 2-2 strike called ball
    Nick Kurtz vs Bryan King

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 · 3 overturned (ump overruled) · 4 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 ball: upheld.
  2. 2Yainer Diaz — ump said ball, robot ruled strike: overturned.
  3. 3Yainer Diaz — ump said ball, robot ruled ball: upheld.
  4. 4Jeff McNeil — ump said strike, robot ruled ball: overturned.
  5. 5Carlos Cortes — ump said strike, robot ruled ball: overturned.
  6. 6Joey Loperfido — ump said strike, robot ruled strike: upheld.
  7. 7Shea Langeliers — ump said ball, robot ruled ball: upheld.

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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