Blue Notes · Umpire Grade2026-05-12
NYY @ BAL
Home plate: Hunter Wendelstedt
“A workmanlike night — nothing to frame, nothing to fix.”
Umpire Grade
96.8% accurate
Run Favor
runs, NYY
ABS Overturns
of 4 reviewed
What this shows — how Hunter Wendelstedt called the 155 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
strike called ballball called strikeABS overturnedABS upheld
The calls that moved the game
- 1+0.69▲3 · 3-2 strike called ball
Aaron Judge vs Trevor Rogers - 2+0.39▼5 · 2-2 strike called ball
Coby Mayo vs Will Warren - 3-0.13▼4 · 1-0 ball called strike
Pete Alonso 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
4 pitches went to the robots · 4 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Austin Wells — ump said strike, robot ruled ball: overturned.
- 2Max Schuemann — ump said ball, robot ruled strike: overturned.
- 3Austin Wells — ump said strike, robot ruled ball: overturned.
- 4Aaron Judge — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.