Blue Notes · Umpire Grade2026-06-17
NYM @ CIN
Home plate: Nate Tomlinson
“The kind of night where the umpire is the least of the story.”
Umpire Grade
94.8% accurate
Run Favor
runs, NYM
ABS Overturns
of 2 reviewed
What this shows — how Nate Tomlinson called the 154 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 146 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▲1 · 2-2 strike called ball
Carson Benge vs Nick Lodolo - 2+0.23▼2 · 0-2 strike called ball
Spencer Steer vs Nolan McLean - 3+0.13▲3 · 1-1 strike called ball
Marcus Semien vs Nick Lodolo
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 · 0 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Marcus Semien — ump said strike, robot ruled strike: upheld.
- 2Luis Torrens — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.