Blue Notes · Umpire Grade2026-05-21
NYM @ WSH
Home plate: Chris Segal
“Called it the way the rulebook drew it up.”
Umpire Grade
95.7% accurate
Run Favor
runs, NYM
ABS Overturns
of 3 reviewed
What this shows — how Chris Segal called the 138 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 132 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
- 1-0.21▼5 · 3-0 ball called strike
Curtis Mead vs David Peterson - 2-0.19▲4 · 2-0 ball called strike
Brett Baty vs Cade Cavalli - 3+0.10▼1 · 0-1 strike called ball
Daylen Lile 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 · 0 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Marcus Semien — ump said strike, robot ruled strike: upheld.
- 2Bo Bichette — ump said strike, robot ruled strike: upheld.
- 3Luis García Jr. — ump said strike, robot ruled strike: 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.