Blue Notes · Umpire Grade2026-04-19
TOR @ AZ
Home plate: Roberto Ortiz
“A small strike zone, generously enforced for the offense.”
Umpire Grade
89.0% accurate
Run Favor
runs, TOR
ABS Overturns
of 4 reviewed
What this shows — how Roberto Ortiz called the 137 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 122 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▲4 · 2-2 strike called ball
Jesús Sánchez vs Brandon Pfaadt - 2+0.23▲1 · 0-2 strike called ball
Vladimir Guerrero Jr. vs Ryne Nelson - 3+0.23▲3 · 0-2 strike called ball
Nathan Lukes vs Andrew Hoffmann
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 · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Brandon Valenzuela — ump said ball, robot ruled ball: upheld.
- 2Myles Straw — ump said strike, robot ruled strike: upheld.
- 3James McCann — ump said strike, robot ruled ball: overturned.
- 4James McCann — 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.