Blue Notes · Umpire Grade2026-06-26
HOU @ DET
Home plate: Lance Barksdale
“The zone kept to itself — the hitters said thanks.”
Umpire Grade
89.6% accurate
Run Favor
runs, DET
ABS Overturns
of 5 reviewed
What this shows — how Lance Barksdale called the 154 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 138 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
- 1-0.39▲1 · 2-2 ball called strike
Yordan Alvarez vs Keider Montero - 2-0.21▼8 · 3-0 ball called strike
Colt Keith vs Jake Meyers - 3+0.20▼4 · 2-1 strike called ball
Zach McKinstry vs Spencer Arrighetti
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 · 4 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Joey Loperfido — ump said ball, robot ruled strike: overturned.
- 2Dillon Dingler — ump said strike, robot ruled ball: overturned.
- 3Yainer Diaz — ump said ball, robot ruled ball: upheld.
- 4Taylor Trammell — ump said ball, robot ruled strike: overturned.
- 5Dillon Dingler — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.