Blue Notes · Umpire Grade2026-04-20
CIN @ TB
Home plate: Marvin Hudson
“A steady night's work behind the plate.”
Umpire Grade
93.3% accurate
Run Favor
runs, CIN
ABS Overturns
of 2 reviewed
What this shows — how Marvin Hudson called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 140 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+0.20▲8 · 2-1 strike called ball
Tyler Stephenson vs Trevor Martin - 2+0.13▲1 · 1-1 strike called ball
Matt McLain vs Jesse Scholtens - 3+0.09▼1 · 0-0 strike called ball
Nick Fortes vs Rhett Lowder
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
2 pitches went to the robots · 1 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Jake Fraley — ump said strike, robot ruled strike: upheld.
- 2Nick Fortes — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.