Blue Notes · Umpire Grade2026-04-05
CHC @ CLE
Home plate: Dan Bellino
“The zone stretched its legs.”
Umpire Grade
88.4% accurate
Run Favor
runs, CHC
ABS Overturns
of 6 reviewed
What this shows — how Dan Bellino called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 130 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▼7 · 3-2 ball called strike· challenged ✓
Brayan Rocchio vs Caleb Thielbar - 2-0.39▼4 · 2-2 ball called strike· challenged
Steven Kwan vs Edward Cabrera - 3+0.39▼8 · 2-2 strike called ball
José Ramírez vs Hoby Milner
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
6 pitches went to the robots · 4 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Bo Naylor — ump said ball, robot ruled strike: overturned.
- 2Steven Kwan — ump said strike, robot ruled strike: upheld.
- 3Miguel Amaya — ump said ball, robot ruled strike: overturned.
- 4Brayan Rocchio — ump said strike, robot ruled ball: overturned.
- 5Alex Bregman — ump said strike, robot ruled ball: overturned.
- 6Miguel Amaya — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.