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Blue Notes · Umpire Grade2026-06-10

CIN @ SD

Home plate: Alfonso Márquez

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

B
Umpire Grade
92.6% accurate
1.0
Run Favor
runs, SD
5
ABS Overturns
of 6 reviewed

What this shows — how Alfonso Márquez called the 163 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 151 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: P.J. Higgins — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: P.J. Higgins — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Rodolfo Durán — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Sal Stewart — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Rodolfo Durán — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).5Challenge 6: P.J. Higgins — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▼1 · 2-2 strike called ball
    Jackson Merrill vs Brady Singer
  2. 2+0.28▼1 · 1-2 strike called ball
    Jackson Merrill vs Brady Singer
  3. 3+0.13▲4 · 1-1 strike called ball
    JJ Bleday vs Michael King

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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1P.J. Higgins — ump said ball, robot ruled strike: overturned.
  2. 2P.J. Higgins — ump said ball, robot ruled strike: overturned.
  3. 3Rodolfo Durán — ump said ball, robot ruled strike: overturned.
  4. 4Sal Stewart — ump said strike, robot ruled ball: overturned.
  5. 5Rodolfo Durán — ump said ball, robot ruled ball: upheld.
  6. 6P.J. Higgins — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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