Blue Notes · Umpire Grade2026-06-07
NYM @ SD
Home plate: Chad Fairchild
“The zone kept its promises.”
Umpire Grade
93.1% accurate
Run Favor
runs, SD
ABS Overturns
of 7 reviewed
What this shows — how Chad Fairchild called the 160 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 149 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
strike called ballball called strikeABS overturnedABS upheld
The calls that moved the game
- 1-0.28▼3 · 1-2 ball called strike
Ty France vs Sean Manaea - 2+0.20▼4 · 2-1 strike called ball
Xander Bogaerts vs Sean Manaea - 3+0.19▼2 · 2-0 strike called ball
Samad Taylor vs Sean Manaea
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 · 4 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Luis Torrens — ump said ball, robot ruled ball: upheld.
- 2Freddy Fermin — ump said strike, robot ruled ball: overturned.
- 3Freddy Fermin — ump said strike, robot ruled ball: overturned.
- 4Manny Machado — ump said ball, robot ruled strike: overturned.
- 5Freddy Fermin — ump said ball, robot ruled ball: upheld.
- 6Luis Torrens — ump said strike, robot ruled ball: overturned.
- 7Luis Torrens — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.