Blue Notes · Umpire Grade2026-04-27
NYY @ TEX
Home plate: John Tumpane
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
92.8% accurate
Run Favor
runs, NYY
ABS Overturns
of 5 reviewed
What this shows — how John Tumpane called the 167 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 155 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
- 1-0.30▼8 · 3-1 ball called strike
Josh Jung vs Tim Hill - 2-0.28▲3 · 1-2 ball called strike
Ryan McMahon vs Jack Leiter - 3+0.28▲4 · 1-2 strike called ball· challenged
Jasson Domínguez vs Jack Leiter
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.
- 1Max Fried — ump said strike, robot ruled ball: overturned.
- 2Kyle Higashioka — ump said ball, robot ruled ball: upheld.
- 3José Caballero — ump said ball, robot ruled strike: overturned.
- 4Austin Wells — ump said ball, robot ruled ball: upheld.
- 5Trent Grisham — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.