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Blue Notes · Umpire Grade2026-04-08

DET @ MIN

Home plate: Steven Jaschinski

“The black wasn't in play tonight.”

C+
Umpire Grade
90.9% accurate
0.7
Run Favor
runs, DET
4
ABS Overturns
of 7 reviewed

What this shows — how Steven Jaschinski called the 187 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 170 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

Challenge 1: Austin Martin — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Josh Bell — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Javier Báez — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Dillon Dingler — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Ryan Jeffers — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Gleyber Torres — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Ryan Jeffers — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.30▼6 · 3-1 ball called strike· challenged ✓
    Josh Bell vs Enmanuel De Jesus
  2. 2-0.30▲9 · 3-1 ball called strike
    Riley Greene vs Kody Funderburk
  3. 3+0.28▲8 · 1-2 strike called ball· challenged ✓
    Zach McKinstry vs Cody Laweryson

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

7 pitches went to the robots · 4 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Austin Martin — ump said strike, robot ruled strike: upheld.
  2. 2Josh Bell — ump said strike, robot ruled ball: overturned.
  3. 3Javier Báez — ump said strike, robot ruled strike: upheld.
  4. 4Dillon Dingler — ump said ball, robot ruled strike: overturned.
  5. 5Ryan Jeffers — ump said ball, robot ruled strike: overturned.
  6. 6Gleyber Torres — ump said strike, robot ruled strike: upheld.
  7. 7Ryan Jeffers — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 7 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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