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Blue Notes · Umpire Grade2026-08-25

BOS @ MIA

Home plate: David Rackley

“If it was close, it was a strike. The hitters noticed.”

C
Umpire Grade
89.7% accurate
0.1
Run Favor
runs, BOS
4
ABS Overturns
of 9 reviewed

What this shows — how David Rackley called the 185 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 166 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: Wilyer Abreu — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Otto Lopez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Esteury Ruiz — 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: Javier Sanoja — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Connor Wong — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6Challenge 7: Willson Contreras — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).7Challenge 8: Caleb Durbin — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).8Challenge 9: Caleb Durbin — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).9
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.30▲4 · 3-1 strike called ball
    Mickey Gasper vs Tyler Phillips
  2. 2-0.30▼5 · 3-1 ball called strike· challenged ✓
    Esteury Ruiz vs Payton Tolle
  3. 3+0.13▼3 · 1-1 strike called ball
    Brian Navarreto vs Payton Tolle

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

9 pitches went to the robots · 4 overturned (ump overruled) · 5 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Wilyer Abreu — ump said strike, robot ruled strike: upheld.
  2. 2Otto Lopez — ump said strike, robot ruled strike: upheld.
  3. 3Esteury Ruiz — ump said strike, robot ruled ball: overturned.
  4. 4Brian Navarreto — ump said ball, robot ruled strike: overturned.
  5. 5Javier Sanoja — ump said strike, robot ruled strike: upheld.
  6. 6Connor Wong — ump said ball, robot ruled ball: upheld.
  7. 7Willson Contreras — ump said strike, robot ruled ball: overturned.
  8. 8Caleb Durbin — ump said strike, robot ruled ball: overturned.
  9. 9Caleb Durbin — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 8 of 9 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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