Blue Notes · Umpire Grade2026-04-02
MIN @ KC
Home plate: Cory Blaser
“The kind of night where the umpire is the least of the story.”
Umpire Grade
95.0% accurate
Run Favor
runs, KC
ABS Overturns
of 4 reviewed
What this shows — how Cory Blaser called the 160 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 152 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
- 1-0.30▲3 · 3-1 ball called strike
Austin Martin vs Cole Ragans - 2+0.23▲5 · 0-2 strike called ball
Royce Lewis vs Cole Ragans - 3-0.21▼9 · 3-0 ball called strike
Isaac Collins vs Justin Topa
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.
- 1Victor Caratini — ump said strike, robot ruled ball: overturned.
- 2Victor Caratini — ump said strike, robot ruled ball: overturned.
- 3Victor Caratini — ump said ball, robot ruled ball: upheld.
- 4Royce Lewis — ump said ball, robot ruled strike: 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.