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Blue Notes · Umpire Grade2026-03-28

NYY @ SF

Home plate: Chad Whitson

“This one went to video review more than most.”

B-
Umpire Grade
91.7% accurate
0.6
Run Favor
runs, NYY
7
ABS Overturns
of 7 reviewed

What this shows — how Chad Whitson called the 156 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: Patrick Bailey — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Trent Grisham — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Heliot Ramos — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Patrick Bailey — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Austin Wells — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Austin Wells — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).6Challenge 7: Heliot Ramos — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▲2 · 2-2 strike called ball· challenged ✓
    Jazz Chisholm Jr. vs Tyler Mahle
  2. 2-0.39▲3 · 2-2 ball called strike· challenged ✓
    Trent Grisham vs Tyler Mahle
  3. 3-0.39▼3 · 2-2 ball called strike· challenged ✓
    Heliot Ramos vs Will Warren

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

7 pitches went to the robots · 7 overturned (ump overruled) · 0 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Patrick Bailey — ump said ball, robot ruled strike: overturned.
  2. 2Trent Grisham — ump said strike, robot ruled ball: overturned.
  3. 3Heliot Ramos — ump said strike, robot ruled ball: overturned.
  4. 4Patrick Bailey — ump said ball, robot ruled strike: overturned.
  5. 5Austin Wells — ump said ball, robot ruled strike: overturned.
  6. 6Austin Wells — ump said ball, robot ruled strike: overturned.
  7. 7Heliot Ramos — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 7 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

Paste the link anywhere — the card previews on its own. Or take it with you.

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