Blue Notes · Umpire Grade2026-06-16
“The strike zone picked a side, and wasn't shy about it.”
Umpire Grade
91.3% accurate
Run Favor
runs, STL
ABS Overturns
of 4 reviewed
What this shows — how Nic Lentz called the 149 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 136 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
Lars Nootbaar vs Michael King - 2-0.69▲3 · 3-2 ball called strike
Rodolfo Durán vs Andre Pallante - 3-0.39▲4 · 2-2 ball called strike
Manny Machado vs Andre Pallante
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.
- 1Rodolfo Durán — ump said strike, robot ruled ball: overturned.
- 2Iván Herrera — ump said ball, robot ruled strike: overturned.
- 3Xander Bogaerts — ump said strike, robot ruled strike: upheld.
- 4Iván Herrera — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.