Blue Notes · Umpire Grade2026-05-17
TOR @ DET
Home plate: Dan Bellino
“The zone kept its promises.”
Umpire Grade
92.7% accurate
Run Favor
runs, TOR
ABS Overturns
of 6 reviewed
What this shows — how Dan Bellino called the 137 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 127 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▲1 · 1-2 strike called ball· challenged ✓
Lenyn Sosa vs Jack Flaherty - 2-0.13▲3 · 1-0 ball called strike
Daulton Varsho vs Jack Flaherty - 3+0.13▼8 · 1-0 strike called ball
Dillon Dingler vs Joe Mantiply
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
6 pitches went to the robots · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Lenyn Sosa — ump said ball, robot ruled strike: overturned.
- 2Davis Schneider — ump said ball, robot ruled strike: overturned.
- 3Dillon Dingler — ump said strike, robot ruled ball: overturned.
- 4Brandon Valenzuela — ump said ball, robot ruled ball: upheld.
- 5Dillon Dingler — ump said ball, robot ruled ball: upheld.
- 6Spencer Torkelson — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.