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Blue Notes · Umpire Grade2026-09-17

MIN @ LAA

Home plate: Laz Diaz

“This one went to video review more than most.”

C+
Umpire Grade
90.3% accurate
1.3
Run Favor
runs, MIN
7
ABS Overturns
of 10 reviewed

What this shows — how Laz Diaz called the 144 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 130 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 ball (upheld — ump confirmed).1Challenge 2: Josh Bell — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).2Challenge 3: Tyler Heineman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Tyler Heineman — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).4Challenge 5: Tyler Heineman — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Brooks Lee — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).6Challenge 7: Victor Caratini — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).7Challenge 8: Zach Neto — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).8Challenge 9: Victor Caratini — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).9Challenge 10: Mike Trout — 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+0.28▲6 · 1-2 strike called ball
    Kody Clemens vs Walbert Ureña
  2. 2+0.28▲8 · 1-2 strike called ball· challenged ✓
    Luke Keaschall vs Luke Murphy
  3. 3+0.28▲9 · 1-2 strike called ball· challenged ✓
    Royce Lewis vs Ben Joyce

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 · 7 overturned (ump overruled) · 3 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 ball: upheld.
  2. 2Josh Bell — ump said strike, robot ruled strike: upheld.
  3. 3Tyler Heineman — ump said ball, robot ruled strike: overturned.
  4. 4Tyler Heineman — ump said ball, robot ruled ball: upheld.
  5. 5Tyler Heineman — ump said ball, robot ruled strike: overturned.
  6. 6Brooks Lee — ump said strike, robot ruled ball: overturned.
  7. 7Victor Caratini — ump said ball, robot ruled strike: overturned.
  8. 8Zach Neto — ump said strike, robot ruled ball: overturned.
  9. 9Victor Caratini — ump said ball, robot ruled strike: overturned.
  10. 10Mike Trout — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 8 of 10 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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