Blue Notes · Umpire Grade2026-04-15
TOR @ MIL
Home plate: Chris Guccione
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
94.4% accurate
Run Favor
runs, MIL
ABS Overturns
of 4 reviewed
What this shows — how Chris Guccione called the 144 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 136 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+0.69▼6 · 3-2 strike called ball
Brice Turang vs Dylan Cease - 2+0.13▲1 · 1-0 strike called ball
Nathan Lukes vs Chad Patrick - 3+0.10▼3 · 0-1 strike called ball
Sal Frelick vs Dylan Cease
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
4 pitches went to the robots · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Gary Sánchez — ump said ball, robot ruled strike: overturned.
- 2Brandon Valenzuela — ump said ball, robot ruled ball: upheld.
- 3Gary Sánchez — ump said strike, robot ruled ball: overturned.
- 4Joey Ortiz — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.