Blue Notes · Umpire Grade2026-05-17
PHI @ PIT
Home plate: Dexter Kelley
“No notes. Well, one: nicely done.”
Umpire Grade
96.2% accurate
Run Favor
runs, PHI
ABS Overturns
of 3 reviewed
What this shows — how Dexter Kelley called the 130 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 125 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▲4 · 1-2 strike called ball
Alec Bohm vs Paul Skenes - 2-0.28▲7 · 1-2 ball called strike
Alec Bohm vs Yohan Ramírez - 3-0.10▼3 · 0-1 ball called strike
Jared Triolo vs Zack Wheeler
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.
- 1Bryce Harper — ump said strike, robot ruled strike: upheld.
- 2Spencer Horwitz — ump said strike, robot ruled strike: upheld.
- 3Bryan Reynolds — 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.