Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-06-30

WSH @ BOS

Home plate: Nic Lentz

You had to throw it down Broadway to get the call.

B
Umpire Grade
92.7% accurate
0.4
Run Favor
runs, BOS
2
ABS Overturns
of 5 reviewed

What this shows — how Nic Lentz called the 136 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 126 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: Keibert Ruiz — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Carlos Narváez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Ceddanne Rafaela — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: James Wood — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Keibert Ruiz — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.207 · 2-1 strike called ball
    Jarren Duran vs Cade Cavalli
  2. 2+0.192 · 2-0 strike called ball
    Dylan Crews vs Connelly Early
  3. 3+0.194 · 2-0 strike called ball· challenged
    Willson Contreras vs Cade Cavalli

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

5 pitches went to the robots · 2 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Keibert Ruiz — ump said ball, robot ruled strike: overturned.
  2. 2Carlos Narváez — ump said ball, robot ruled ball: upheld.
  3. 3Ceddanne Rafaela — ump said strike, robot ruled strike: upheld.
  4. 4James Wood — ump said strike, robot ruled strike: upheld.
  5. 5Keibert Ruiz — ump said ball, robot ruled strike: overturned.

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

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