Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-11

TB @ ATH

Home plate: Ramon De Jesus

“Borderline went to the battery all night.”

B
Umpire Grade
92.4% accurate
0.5
Run Favor
runs, TB
4
ABS Overturns
of 5 reviewed

What this shows — how Ramon De Jesus called the 144 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 133 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: Jonathan Aranda — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Junior Caminero — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Junior Caminero — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Lawrence Butler — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Jonah Heim — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.39▼2 · 2-2 ball called strike
    Carlos Cortes vs Nick Martinez
  2. 2+0.39▲8 · 2-2 strike called ball· challenged ✓
    Taylor Walls vs Yunior Tur
  3. 3+0.28▲4 · 1-2 strike called ball
    Jonathan Aranda vs Mason Barnett

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

5 pitches went to the robots · 4 overturned (ump overruled) · 1 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Jonathan Aranda — ump said strike, robot ruled ball: overturned.
  2. 2Junior Caminero — ump said strike, robot ruled ball: overturned.
  3. 3Junior Caminero — ump said strike, robot ruled ball: overturned.
  4. 4Lawrence Butler — ump said strike, robot ruled strike: upheld.
  5. 5Jonah Heim — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 4 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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