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RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-04-06

SD @ PIT

Home plate: Tripp Gibson

“The kind of night where the umpire is the least of the story.”

A
Umpire Grade
96.1% accurate
0.4
Run Favor
runs, SD
3
ABS Overturns
of 5 reviewed

What this shows — how Tripp Gibson called the 179 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 172 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: Marcell Ozuna — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Marcell Ozuna — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Jake Cronenworth — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Freddy Fermin — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Spencer Horwitz — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.19▲5 · 2-0 strike called ball
    Jake Cronenworth vs Bubba Chandler
  2. 2+0.13▲6 · 1-1 strike called ball
    Gavin Sheets vs Yohan Ramírez
  3. 3-0.09▲2 · 0-0 ball called strike
    Manny Machado vs Bubba Chandler

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 · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.

  1. 1Marcell Ozuna — ump said ball, robot ruled strike: overturned.
  2. 2Marcell Ozuna — ump said ball, robot ruled strike: overturned.
  3. 3Jake Cronenworth — ump said strike, robot ruled strike: upheld.
  4. 4Freddy Fermin — ump said strike, robot ruled ball: overturned.
  5. 5Spencer Horwitz — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 2 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.