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Blue Notes · Umpire Grade2026-05-31

BOS @ CLE

Home plate: Austin Jones

“Pitchers found a little extra real estate.”

B
Umpire Grade
92.6% accurate
0.1
Run Favor
runs, BOS
4
ABS Overturns
of 8 reviewed

What this shows — how Austin Jones called the 162 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 150 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: Caleb Durbin — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Mickey Gasper — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Connor Wong — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Carlos Narváez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Stuart Fairchild — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: José Ramírez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Carlos Narváez — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).7Challenge 8: Caleb Durbin — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).8
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.69▲7 · 3-2 strike called ball
    Wilyer Abreu vs Tim Herrin
  2. 2+0.28▼8 · 1-2 strike called ball· challenged ✓
    Austin Hedges vs Greg Weissert
  3. 3-0.23▲5 · 0-2 ball called strike· challenged ✓
    Carlos Narváez vs Tanner Bibee

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

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

  1. 1Caleb Durbin — ump said strike, robot ruled ball: overturned.
  2. 2Mickey Gasper — ump said strike, robot ruled strike: upheld.
  3. 3Connor Wong — ump said strike, robot ruled ball: overturned.
  4. 4Carlos Narváez — ump said strike, robot ruled ball: overturned.
  5. 5Stuart Fairchild — ump said strike, robot ruled strike: upheld.
  6. 6José Ramírez — ump said strike, robot ruled strike: upheld.
  7. 7Carlos Narváez — ump said ball, robot ruled strike: overturned.
  8. 8Caleb Durbin — ump said strike, robot ruled strike: upheld.

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

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