Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-08-10

NYM @ ATL

Home plate: Cory Blaser

The players kept asking for a second opinion — and kept getting one.

B
Umpire Grade
92.7% accurate
1.2
Run Favor
runs, NYM
5
ABS Overturns
of 7 reviewed

What this shows — how Cory Blaser called the 179 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 166 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: Francisco Alvarez — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).1Challenge 2: Carson Benge — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Sean Murphy — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).3Challenge 4: Carson Benge — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).4Challenge 5: Ronald Acuña Jr. — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).5Challenge 6: Francisco Alvarez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6Challenge 7: Bo Bichette — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).7
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.691 · 3-2 strike called ball
    Carson Benge vs Bryce Elder
  2. 2-0.393 · 2-2 ball called strike
    Matt Olson vs Christian Scott
  3. 3-0.193 · 2-0 ball called strike
    Francisco Lindor vs Bryce Elder

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

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

  1. 1Francisco Alvarez — ump said strike, robot ruled ball: overturned.
  2. 2Carson Benge — ump said ball, robot ruled strike: overturned.
  3. 3Sean Murphy — ump said strike, robot ruled ball: overturned.
  4. 4Carson Benge — ump said ball, robot ruled strike: overturned.
  5. 5Ronald Acuña Jr. — ump said ball, robot ruled strike: overturned.
  6. 6Francisco Alvarez — ump said ball, robot ruled ball: upheld.
  7. 7Bo Bichette — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 2 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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