Blue Notes · Umpire Grade2026-04-14
AZ @ BAL
Home plate: Chris Conroy
“Tonight's zone had a rooting interest.”
Umpire Grade
94.1% accurate
Run Favor
runs, BAL
ABS Overturns
of 5 reviewed
What this shows — how Chris Conroy called the 170 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 160 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▼8 · 3-2 strike called ball· challenged ✓
Pete Alonso vs Juan Morillo - 2-0.21▲9 · 3-0 ball called strike
James McCann vs Nick Raquet - 3+0.19▼3 · 2-0 strike called ball
Leody Taveras vs Merrill Kelly
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 · 1 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Samuel Basallo — ump said ball, robot ruled ball: upheld.
- 2James McCann — ump said ball, robot ruled ball: upheld.
- 3James McCann — ump said ball, robot ruled ball: upheld.
- 4Pete Alonso — ump said ball, robot ruled strike: overturned.
- 5Dylan Beavers — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.