Blue Notes · Umpire Grade2026-07-08
BOS @ CWS
Home plate: David Rackley
“Corner-to-corner and then some.”
Umpire Grade
89.4% accurate
Run Favor
runs, CWS
ABS Overturns
of 3 reviewed
What this shows — how David Rackley called the 142 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 127 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▲9 · 2-2 strike called ball
Romy Gonzalez vs Trevor Richards - 2+0.28▼2 · 1-2 strike called ball
Braden Montgomery vs Jake Bennett - 3-0.28▼6 · 1-2 ball called strike
Colson Montgomery vs Jake Bennett
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
3 pitches went to the robots · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Carlos Narváez — ump said ball, robot ruled ball: upheld.
- 2Kyle Teel — ump said strike, robot ruled ball: overturned.
- 3Caleb Durbin — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.