Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-12

HOU @ TB

Home plate: Mark Wegner

Off the corner was close enough tonight.

C+
Umpire Grade
90.5% accurate
0.3
Run Favor
runs, TB
1
ABS Overturns
of 3 reviewed

What this shows — how Mark Wegner called the 127 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 115 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: Christian Vázquez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Cam Smith — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Nick Fortes — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.197 · 2-0 ball called strike
    Liam Hicks vs Peter Lambert
  2. 2+0.199 · 2-0 strike called ball· challenged
    Taylor Trammell vs Bryan Baker
  3. 3-0.138 · 1-1 ball called strike
    Isaac Paredes vs Ty Johnson

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

3 pitches went to the robots · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Christian Vázquez — ump said strike, robot ruled strike: upheld.
  2. 2Cam Smith — ump said strike, robot ruled strike: upheld.
  3. 3Nick Fortes — ump said ball, robot ruled strike: overturned.

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

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