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RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-04-28

CHC @ SD

Home plate: Dan Bellino

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

A
Umpire Grade
95.9% accurate
0.1
Run Favor
runs, CHC
4
ABS Overturns
of 6 reviewed

What this shows — how Dan Bellino called the 169 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 162 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: Xander Bogaerts — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Xander Bogaerts — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Luis Campusano — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Luis Campusano — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Alex Bregman — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.13▼4 · 1-1 strike called ball· challenged ✓
    Xander Bogaerts vs Edward Cabrera
  2. 2-0.13▼5 · 1-1 ball called strike
    Fernando Tatis Jr. vs Edward Cabrera
  3. 3-0.13▲1 · 1-0 ball called strike
    Nico Hoerner vs Walker Buehler

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

  1. 1Luis Campusano — ump said strike, robot ruled ball: overturned.
  2. 2Xander Bogaerts — ump said ball, robot ruled strike: overturned.
  3. 3Xander Bogaerts — ump said ball, robot ruled strike: overturned.
  4. 4Luis Campusano — ump said ball, robot ruled ball: upheld.
  5. 5Luis Campusano — ump said strike, robot ruled ball: overturned.
  6. 6Alex Bregman — ump said strike, robot ruled strike: upheld.

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.