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End of the Chain Gang? NFL Adopts Virtual Measurement System

STARK COUNTY, OHIO, AUG 1 – Sony's Hawk-Eye system uses six 8K cameras to speed up first down measurements and reduce manual errors, saving up to 40 seconds per measurement, the NFL said.

  • On July 31, 2025, the NFL debuted a virtual first down measurement system using Sony's Hawk-Eye technology at the Hall of Fame game in Ohio.
  • The NFL introduced this system after extensive testing last season and following controversy over a close first down call against Josh Allen in last year's AFC championship.
  • The new technology employs six 8K cameras to determine the ball's location and delivers results in approximately 30 seconds, taking over as the main method instead of manual chain measurements.
  • Fans reacted with mixed opinions including “RIP chain gang” and “A year too late,” while the NFL affirmed the chain gang remains a secondary option at games this season.
  • This technology aims to speed up officiating, reduce controversial measurements, and become a regular part of the 2025 viewing experience in the NFL.
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End of the chain gang? NFL adopts virtual measurement system

The NFL introduced a virtual measurement system for determining first downs in the season's first pre-season game and it could lead to the end of the "chain gang" on the sidelines.

·Missoula, United States
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Sports Illustrated broke the news in New York, United States on Friday, August 1, 2025.
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