Blue Notes · Umpire Grade2026-04-03
MIA @ NYY
Home plate: Tom Hanahan
“Expanded the plate a touch past its 17 inches.”
Umpire Grade
94.7% accurate
Run Favor
runs, MIA
ABS Overturns
of 5 reviewed
What this shows — how Tom Hanahan called the 170 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 161 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
- 1-0.28▼1 · 1-2 ball called strike
Ben Rice vs Eury Pérez - 2+0.19▲5 · 2-0 strike called ball
Otto Lopez vs Will Warren - 3+0.13▼1 · 1-1 strike called ball
Trent Grisham vs Eury Pérez
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 · 2 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Liam Hicks — ump said ball, robot ruled ball: upheld.
- 2Ben Rice — ump said strike, robot ruled strike: upheld.
- 3Otto Lopez — ump said ball, robot ruled strike: overturned.
- 4Cody Bellinger — ump said strike, robot ruled strike: upheld.
- 5Liam Hicks — ump said strike, robot ruled ball: overturned.
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.