Blue Notes · Umpire Grade2026-07-09
MIL @ STL
Home plate: Todd Tichenor
“The zone showed up, did the job, and went home. Ideal.”
Umpire Grade
95.8% accurate
Run Favor
runs, MIL
ABS Overturns
of 4 reviewed
What this shows — how Todd Tichenor called the 167 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 160 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+0.13▲4 · 1-1 strike called ball
Jackson Chourio vs Andre Pallante - 2-0.13▲4 · 1-0 ball called strike
Joey Ortiz vs Andre Pallante - 3+0.10▼1 · 0-1 strike called ball
Iván Herrera vs Logan Henderson
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 · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Jake Bauers — ump said ball, robot ruled strike: overturned.
- 2Iván Herrera — ump said strike, robot ruled strike: upheld.
- 3Iván Herrera — ump said strike, robot ruled ball: overturned.
- 4William Contreras — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.