Blue Notes · Umpire Grade2026-04-15
CHC @ PHI
Home plate: Bruce Dreckman
“Called a fair game and let the players decide it.”
Umpire Grade
92.9% accurate
Run Favor
runs, CHC
ABS Overturns
of 3 reviewed
What this shows — how Bruce Dreckman called the 154 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 143 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▲9 · 3-1 strike called ball
Seiya Suzuki vs Dylan Moore - 2-0.20▲5 · 2-1 ball called strike
Ian Happ vs Jesús Luzardo - 3+0.13▲5 · 1-1 strike called ball
Matt Shaw vs Jesús Luzardo
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.
- 1Miguel Amaya — ump said strike, robot ruled ball: overturned.
- 2J.T. Realmuto — ump said ball, robot ruled ball: upheld.
- 3Seiya Suzuki — 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.