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RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-05-03

CIN @ PIT

Home plate: Alan Porter

“A small strike zone, generously enforced for the offense.”

B-
Umpire Grade
91.5% accurate
0.2
Run Favor
runs, CIN
4
ABS Overturns
of 8 reviewed

What this shows — how Alan Porter called the 117 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 107 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: Bryan Reynolds — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Jose Trevino — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Bryan Reynolds — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Joey Bart — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Joey Bart — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).5Challenge 6: Marcell Ozuna — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).6Challenge 7: Spencer Horwitz — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).7Challenge 8: Sal Stewart — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).8
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▲5 · 2-2 strike called ball
    Will Benson vs Braxton Ashcraft
  2. 2+0.28▼7 · 1-2 strike called ball
    Bryan Reynolds vs Chase Burns
  3. 3-0.19▼1 · 2-0 ball called strike
    Brandon Lowe vs Chase Burns

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

8 pitches went to the robots · 4 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.

  1. 1Bryan Reynolds — ump said ball, robot ruled strike: overturned.
  2. 2Jose Trevino — ump said ball, robot ruled ball: upheld.
  3. 3Bryan Reynolds — ump said ball, robot ruled strike: overturned.
  4. 4Joey Bart — ump said strike, robot ruled ball: overturned.
  5. 5Joey Bart — ump said strike, robot ruled ball: overturned.
  6. 6Marcell Ozuna — ump said strike, robot ruled strike: upheld.
  7. 7Spencer Horwitz — ump said strike, robot ruled strike: upheld.
  8. 8Sal Stewart — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 5 of 8 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.