Blue Notes · Umpire Grade2026-06-22
BOS @ COL
Home plate: Chris Conroy
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
94.4% accurate
Run Favor
runs, COL
ABS Overturns
of 4 reviewed
What this shows — how Chris Conroy called the 107 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 101 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▲1 · 3-1 ball called strike· challenged ✓
Wilyer Abreu vs Ryan Feltner - 2-0.13▼4 · 1-0 ball called strike
Tyler Freeman vs Jake Bennett - 3+0.10▼7 · 0-1 strike called ball
Cole Carrigg vs Tyron Guerrero
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 · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Hunter Goodman — ump said strike, robot ruled ball: overturned.
- 2Mickey Gasper — ump said ball, robot ruled ball: upheld.
- 3Hunter Goodman — ump said strike, robot ruled ball: overturned.
- 4Hunter Goodman — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.