Blue Notes · Umpire Grade2026-04-10
PIT @ CHC
Home plate: Roberto Ortiz
“The strike zone picked a side, and wasn't shy about it.”
Umpire Grade
93.1% accurate
Run Favor
runs, PIT
ABS Overturns
of 3 reviewed
What this shows — how Roberto Ortiz called the 159 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 148 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+0.69▲2 · 3-2 strike called ball
Oneil Cruz vs Shota Imanaga - 2+0.23▲9 · 0-2 strike called ball
Ryan O'Hearn vs Riley Martin - 3-0.21▼8 · 3-0 ball called strike
Carson Kelly vs Gregory Soto
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.
- 1Joey Bart — ump said strike, robot ruled ball: overturned.
- 2Joey Bart — ump said ball, robot ruled ball: upheld.
- 3Nick Gonzales — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.