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Blue Notes · Umpire Grade2026-09-08

NYM @ MIA

Home plate: Mike Estabrook

“Hawkeye did more talking than the umpire tonight.”

C
Umpire Grade
89.3% accurate
0.2
Run Favor
runs, NYM
5
ABS Overturns
of 6 reviewed

What this shows — how Mike Estabrook called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 134 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: Francisco Alvarez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Otto Lopez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Jared Serna — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Brian Navarreto — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Deyvison De Los Santos — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Jakob Marsee — 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▲7 · 2-0 ball called strike
    Marcus Semien vs Dax Fulton
  2. 2+0.13▼2 · 1-1 strike called ball· challenged ✓
    Javier Sanoja vs Sean Manaea
  3. 3-0.13▼4 · 1-1 ball called strike· challenged ✓
    Otto Lopez vs Sean Manaea

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. 1Francisco Alvarez — ump said ball, robot ruled strike: overturned.
  2. 2Otto Lopez — ump said strike, robot ruled ball: overturned.
  3. 3Jared Serna — ump said strike, robot ruled ball: overturned.
  4. 4Brian Navarreto — ump said ball, robot ruled strike: overturned.
  5. 5Deyvison De Los Santos — ump said strike, robot ruled strike: upheld.
  6. 6Jakob Marsee — ump said strike, robot ruled ball: overturned.

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

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