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RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-07-19

TB @ BOS

Home plate: Alfonso Márquez

“Down the middle. Both dugouts had the same zone.”

A-
Umpire Grade
94.6% accurate
0.5
Run Favor
runs, BOS
2
ABS Overturns
of 4 reviewed

What this shows — how Alfonso Márquez called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 139 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: Victor Mesa Jr. — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Hunter Feduccia — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Caleb Durbin — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Connor Wong — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.28▼2 · 1-2 strike called ball
    Andruw Monasterio vs Shane McClanahan
  2. 2+0.20▼8 · 2-1 strike called ball
    Andruw Monasterio vs Chris Roycroft
  3. 3-0.13▲2 · 1-0 ball called strike
    Richie Palacios vs Sonny Gray

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

4 pitches went to the robots · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Victor Mesa Jr. — ump said strike, robot ruled strike: upheld.
  2. 2Hunter Feduccia — ump said ball, robot ruled ball: upheld.
  3. 3Caleb Durbin — ump said ball, robot ruled strike: overturned.
  4. 4Connor Wong — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.