Blue Notes · Umpire Grade2026-05-31
TOR @ BAL
Home plate: Todd Tichenor
“The zone kept to itself — the hitters said thanks.”
Umpire Grade
91.3% accurate
Run Favor
runs, BAL
ABS Overturns
of 3 reviewed
What this shows — how Todd Tichenor called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 137 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
Samuel Basallo vs Spencer Miles - 2+0.30▲5 · 3-1 strike called ball
Andrés Giménez vs Kyle Bradish - 3+0.28▼7 · 1-2 strike called ball· challenged ✓
Blaze Alexander vs Yariel Rodríguez
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 · 3 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Brandon Valenzuela — ump said strike, robot ruled ball: overturned.
- 2Andrés Giménez — ump said ball, robot ruled strike: overturned.
- 3Blaze Alexander — 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.