Blue Notes · Umpire Grade2026-04-19
LAD @ COL
Home plate: James Jean
“The zone kept its promises.”
Umpire Grade
91.6% accurate
Run Favor
runs, COL
ABS Overturns
of 5 reviewed
What this shows — how James Jean called the 179 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 164 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▲8 · 3-1 ball called strike
Alex Freeland vs Jimmy Herget - 2+0.19▲4 · 2-0 strike called ball
Alex Call vs Michael Lorenzen - 3+0.19▼5 · 2-0 strike called ball
Kyle Karros vs Roki Sasaki
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 · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Michael Lorenzen — ump said strike, robot ruled ball: overturned.
- 2Michael Lorenzen — ump said ball, robot ruled ball: upheld.
- 3Hunter Goodman — ump said strike, robot ruled ball: overturned.
- 4Will Smith — ump said strike, robot ruled ball: overturned.
- 5Ezequiel Tovar — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.