Blue Notes · Umpire Grade2026-04-14
CLE @ STL
Home plate: Roberto Ortiz
“A steady night's work behind the plate.”
Umpire Grade
97.1% accurate
Run Favor
runs, STL
ABS Overturns
of 4 reviewed
What this shows — how Roberto Ortiz called the 172 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 167 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+0.19▼2 · 2-0 strike called ball
Ramón Urías vs Joey Cantillo - 2+0.10▲8 · 0-1 strike called ball
Chase DeLauter vs JoJo Romero - 3-0.09▲1 · 0-0 ball called strike
Kyle Manzardo vs Michael McGreevy
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
4 pitches went to the robots · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Jordan Walker — ump said strike, robot ruled strike: upheld.
- 2Iván Herrera — ump said strike, robot ruled ball: overturned.
- 3Alec Burleson — ump said ball, robot ruled strike: overturned.
- 4Iván Herrera — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.