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Blue Notes · Umpire Grade2026-09-08

TB @ ATL

Home plate: Lance Barrett

“Hawkeye clocked in early and stayed late.”

B+
Umpire Grade
94.0% accurate
0.4
Run Favor
runs, ATL
6
ABS Overturns
of 6 reviewed

What this shows — how Lance Barrett called the 149 pitches that were taken (no swing), graded against the tracked rulebook strike zone, or, on a pitch the ABS (Automated Ball-Strike System) reviewed on a challenge, against its ruling. 140 were right. Below, only the misses are plotted, alongside every challenged pitch.

The zone, as he called it

Challenge 1: Liam Hicks — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Junior Caminero — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).2Challenge 3: Sean Murphy — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled). Our tracking puts it on the other side of the line; the grade follows the ruling.3*Challenge 4: Mauricio Dubón — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Sean Murphy — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Jorge Mateo — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled). Our tracking puts it on the other side of the line; the grade follows the ruling.6*
strike called ballball called strikeABS overturnedABS upheld

* Graded on the ABS ruling. ABS measures its own zone, set by the batter’s height and taken at the middle of the plate, and our tracking puts this pitch on the other side of the line.

The calls that moved the game

  1. 1+0.39▼1 · 2-2 strike called ball· challenged ✓
    Austin Riley vs Freddy Peralta
  2. 2-0.39▲9 · 2-2 ball called strike· challenged ✓
    Jorge Mateo vs Elieser Hernández
  3. 3-0.30▼6 · 3-1 ball called strike
    Drake Baldwin vs Freddy Peralta

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 · 6 overturned (ump overruled) · 0 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Liam Hicks — ump said ball, robot ruled strike: overturned.
  2. 2Junior Caminero — ump said strike, robot ruled ball: overturned.
  3. 3Sean Murphy — ump said ball, robot ruled strike: overturned.
  4. 4Mauricio Dubón — ump said strike, robot ruled ball: overturned.
  5. 5Sean Murphy — ump said ball, robot ruled strike: overturned.
  6. 6Jorge Mateo — ump said strike, robot ruled ball: overturned.

Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone). Where the two disagree, the umpire is graded on the ABS ruling.

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