Blue Notes · Umpire Grade2026-06-27
CHC @ MIL
Home plate: Hunter Wendelstedt
“Expanded the plate a touch past its 17 inches.”
Umpire Grade
87.6% accurate
Run Favor
runs, CHC
ABS Overturns
of 3 reviewed
What this shows — how Hunter Wendelstedt called the 153 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 134 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▲6 · 3-2 strike called ball
Carson Kelly vs Grant Anderson - 2+0.30▲4 · 3-1 strike called ball
Michael Busch vs Kyle Harrison - 3+0.28▼3 · 1-2 strike called ball
Brice Turang vs David Peterson
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
3 pitches went to the robots · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1William Contreras — ump said ball, robot ruled ball: upheld.
- 2Seiya Suzuki — ump said ball, robot ruled strike: overturned.
- 3William Contreras — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.