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Blue Notes · Umpire Grade2026-09-24

CLE @ BOS

Home plate: Quinn Wolcott

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

C
Umpire Grade
89.4% accurate
0.2
Run Favor
runs, BOS
6
ABS Overturns
of 8 reviewed

What this shows — how Quinn Wolcott called the 160 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 143 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: Adley Rutschman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: José Ramírez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Patrick Bailey — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Adley Rutschman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Patrick Bailey — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Jarren Duran — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6Challenge 7: Isiah Kiner-Falefa — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).7Challenge 8: Adley Rutschman — 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+0.39▲6 · 2-2 strike called ball· challenged ✓
    Chase DeLauter vs Patrick Sandoval
  2. 2-0.28▲3 · 1-2 ball called strike· challenged ✓
    José Ramírez vs Ranger Suarez
  3. 3+0.20▲2 · 2-1 strike called ball· challenged ✓
    Travis Bazzana vs Ranger Suarez

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

  1. 1Adley Rutschman — ump said ball, robot ruled strike: overturned.
  2. 2José Ramírez — ump said strike, robot ruled ball: overturned.
  3. 3Patrick Bailey — ump said ball, robot ruled strike: overturned.
  4. 4Adley Rutschman — ump said ball, robot ruled strike: overturned.
  5. 5Patrick Bailey — ump said ball, robot ruled strike: overturned.
  6. 6Jarren Duran — ump said strike, robot ruled ball: overturned.
  7. 7Isiah Kiner-Falefa — ump said strike, robot ruled strike: upheld.
  8. 8Adley Rutschman — 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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