Blue Notes · Umpire Grade2026-06-09
“A clean sheet behind the plate — the kind of night nobody posts about.”
Umpire Grade
96.9% accurate
Run Favor
runs, TOR
ABS Overturns
of 3 reviewed
What this shows — how Alex Tosi called the 129 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 125 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+0.28▼2 · 1-2 strike called ball
Charles McAdoo vs Zack Wheeler - 2-0.13▲7 · 1-1 ball called strike
Bryson Stott vs Jeff Hoffman - 3+0.13▲1 · 1-0 strike called ball
Brandon Marsh vs Dylan Cease
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 · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Bryce Harper — ump said ball, robot ruled strike: overturned.
- 2Charles McAdoo — ump said ball, robot ruled strike: overturned.
- 3Jesús Sánchez — ump said strike, robot ruled strike: upheld.
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.