Blue Notes · Umpire Grade2026-03-31
NYM @ STL
Home plate: Hunter Wendelstedt
“Called a fair game and let the players decide it.”
Umpire Grade
97.1% accurate
Run Favor
runs, NYM
ABS Overturns
of 5 reviewed
What this shows — how Hunter Wendelstedt called the 138 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
- 1-0.20▼2 · 2-1 ball called strike· challenged ✓
Jordan Walker vs Kodai Senga - 2-0.13▼1 · 1-0 ball called strike
Masyn Winn vs Kodai Senga - 3+0.13▲3 · 1-0 strike called ball
Luis Torrens vs Andre Pallante
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
5 pitches went to the robots · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Luis Torrens — ump said strike, robot ruled ball: overturned.
- 2Luis Torrens — ump said ball, robot ruled ball: upheld.
- 3Iván Herrera — ump said ball, robot ruled strike: overturned.
- 4Iván Herrera — ump said ball, robot ruled strike: overturned.
- 5Nathan Church — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.