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RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-05-02

CWS @ SD

Home plate: Sean Barber

“The players kept asking for a second opinion — and kept getting one.”

C+
Umpire Grade
90.1% accurate
0.2
Run Favor
runs, CWS
5
ABS Overturns
of 6 reviewed

What this shows — how Sean Barber called the 141 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 127 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: Luis Campusano — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Gavin Sheets — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Luis Campusano — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Edgar Quero — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Edgar Quero — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Edgar Quero — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.19▼1 · 2-0 ball called strike
    Jackson Merrill vs Sean Burke
  2. 2-0.19▲9 · 2-0 ball called strike
    Chase Meidroth vs Jeremiah Estrada
  3. 3+0.13▼2 · 1-1 strike called ball
    Gavin Sheets vs Sean Burke

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

6 pitches went to the robots · 5 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.

  1. 1Luis Campusano — ump said strike, robot ruled ball: overturned.
  2. 2Gavin Sheets — ump said ball, robot ruled strike: overturned.
  3. 3Luis Campusano — ump said strike, robot ruled ball: overturned.
  4. 4Edgar Quero — ump said ball, robot ruled ball: upheld.
  5. 5Edgar Quero — ump said strike, robot ruled ball: overturned.
  6. 6Edgar Quero — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 2 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.