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RECORD: 8 HIT · 12 MISS · 1 OPEN
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Blue Notes · Umpire Grade2026-08-14

COL @ SF

Home plate: Lance Barrett

“The zone kept to itself — the hitters said thanks.”

B-
Umpire Grade
91.1% accurate
0.9
Run Favor
runs, COL
4
ABS Overturns
of 6 reviewed

What this shows — how Lance Barrett called the 135 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 123 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: TJ Rumfield — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Connor Norby — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Brett Sullivan — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).3Challenge 4: Andrew Knizner — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Andrew Knizner — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Andrew Knizner — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.39▲8 · 2-2 strike called ball· challenged ✓
    TJ Rumfield vs Trent Harris
  2. 2+0.30▲6 · 3-1 strike called ball
    Connor Norby vs Landen Roupp
  3. 3+0.20▲9 · 2-1 strike called ball
    TJ Rumfield vs Jason Foley

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

  1. 1TJ Rumfield — ump said strike, robot ruled ball: overturned.
  2. 2Connor Norby — ump said strike, robot ruled ball: overturned.
  3. 3Brett Sullivan — ump said ball, robot ruled ball: upheld.
  4. 4Andrew Knizner — ump said ball, robot ruled strike: overturned.
  5. 5Andrew Knizner — ump said ball, robot ruled strike: overturned.
  6. 6Andrew Knizner — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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