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Blue Notes · Umpire Grade2026-06-12

STL @ MIN

Home plate: Dan Iassogna

“The challenge cart got its steps in.”

B+
Umpire Grade
93.2% accurate
0.8
Run Favor
runs, MIN
8
ABS Overturns
of 10 reviewed

What this shows — how Dan Iassogna called the 161 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 150 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: Victor Caratini — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Alec Burleson — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Josh Bell — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Victor Caratini — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: JJ Wetherholt — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Luke Keaschall — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Byron Buxton — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).7Challenge 8: Jimmy Crooks — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).8Challenge 9: JJ Wetherholt — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).9Challenge 10: Victor Caratini — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).10
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1-0.69▲7 · 3-2 ball called strike
    Blaze Jordan vs Taylor Rogers
  2. 2+0.39▲5 · 2-2 strike called ball· challenged ✓
    JJ Wetherholt vs Joe Ryan
  3. 3-0.30▲7 · 3-1 ball called strike· challenged ✓
    JJ Wetherholt vs Taylor Rogers

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

10 pitches went to the robots · 8 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Victor Caratini — ump said ball, robot ruled strike: overturned.
  2. 2Alec Burleson — ump said strike, robot ruled ball: overturned.
  3. 3Josh Bell — ump said strike, robot ruled ball: overturned.
  4. 4Victor Caratini — ump said ball, robot ruled strike: overturned.
  5. 5JJ Wetherholt — ump said strike, robot ruled ball: overturned.
  6. 6Luke Keaschall — ump said strike, robot ruled strike: upheld.
  7. 7Byron Buxton — ump said strike, robot ruled ball: overturned.
  8. 8Jimmy Crooks — ump said ball, robot ruled ball: upheld.
  9. 9JJ Wetherholt — ump said strike, robot ruled ball: overturned.
  10. 10Victor Caratini — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 9 of 10 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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