Blue Notes · Umpire Grade2026-06-05
NYM @ SD
Home plate: Chad Whitson
“Called a fair game and let the players decide it.”
Umpire Grade
95.8% accurate
Run Favor
runs, NYM
ABS Overturns
of 1 reviewed
What this shows — how Chad Whitson called the 143 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 137 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▲1 · 1-0 strike called ball
Carson Benge vs Michael King - 2+0.10▲2 · 0-1 strike called ball
A.J. Ewing vs Michael King - 3+0.10▲9 · 0-1 strike called ball
Marcus Semien vs Mason Miller
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
1 pitch went to the robots · 0 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1A.J. Ewing — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.