Blue Notes · Umpire Grade2026-05-27
NYY @ KC
Home plate: Tripp Gibson
“Reliable as a Tuesday: no complaints, no headlines.”
Umpire Grade
96.6% accurate
Run Favor
runs, KC
ABS Overturns
of 3 reviewed
What this shows — how Tripp Gibson called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 142 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▲1 · 2-1 ball called strike
Paul Goldschmidt vs Noah Cameron - 2-0.19▲8 · 2-0 ball called strike
Trent Grisham vs Mason Black - 3+0.10▲5 · 0-1 strike called ball
José Caballero vs Noah Cameron
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 · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Carter Jensen — ump said strike, robot ruled ball: overturned.
- 2Carter Jensen — ump said ball, robot ruled ball: upheld.
- 3Austin Wells — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.