Blue Notes · Umpire Grade2026-04-22
TOR @ LAA
Home plate: Chad Whitson
“Tonight's zone had a rooting interest.”
Umpire Grade
88.4% accurate
Run Favor
runs, TOR
ABS Overturns
of 6 reviewed
What this shows — how Chad Whitson called the 146 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 129 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+0.28▼7 · 1-2 strike called ball
Logan O'Hoppe vs Joe Mantiply - 2+0.23▲4 · 0-2 strike called ball
Daulton Varsho vs José Soriano - 3-0.20▼4 · 2-1 ball called strike
Vaughn Grissom vs Eric Lauer
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 · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Logan O'Hoppe — ump said strike, robot ruled ball: overturned.
- 2Tyler Heineman — ump said strike, robot ruled ball: overturned.
- 3Logan O'Hoppe — ump said strike, robot ruled ball: overturned.
- 4Tyler Heineman — ump said ball, robot ruled ball: upheld.
- 5Nolan Schanuel — ump said strike, robot ruled strike: upheld.
- 6Andrés Giménez — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.