NFL Adopts Sony's Hawk-Eye Tech for Accurate First Downs in 2025 Season
April 1, 2025
On April 1, 2025, the NFL announced it will implement Sony's Hawk-Eye technology to measure first downs, replacing traditional chains starting in the 2025-26 season.
Troy Vincent, NFL executive vice president of football operations, emphasized the importance of combining officiating and technology to improve the game's accuracy and efficiency.
Rufus Hack, CEO of Hawk-Eye, expressed enthusiasm for the partnership with the NFL, aiming to enhance the game for fans and players alike.
Hawk-Eye technology has been recognized for its applications in various sports, including tennis, MLB, and NBA, and is seen as a significant advancement in officiating.
This decision was made during the NFL's annual league meeting in Palm Beach, Florida, with the goal of enhancing officiating accuracy.
The Hawk-Eye system is expected to significantly reduce measurement time to about 30 seconds, saving approximately 40 seconds compared to traditional methods.
The technology will debut at the kickoff game on September 4, 2025, in Philadelphia, aiming to enhance precision and speed in determining first downs.
When a measurement is made, the system will generate a digital representation displayed in stadiums and on television broadcasts.
The Hawk-Eye system will determine the line of scrimmage for each play and can even overturn referee decisions on ball placement.
Despite the transition to Hawk-Eye, human-operated chain crews will remain on standby to perform traditional measurements if the system malfunctions.
However, controversies related to officiating are expected to continue, as many disputes arise from initial ball spotting by officials rather than measurement errors.
This shift follows recent controversies, including a disputed call involving Buffalo Bills quarterback Josh Allen during the AFC Championship game.
Summary based on 12 sources
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Sources

The Verge • Apr 1, 2025
NFL swaps first-down chains for Sony’s 8K cameras
NBC News • Apr 1, 2025
NFL to use cameras, not chains, to determine first downs in 2025
ESPN • Apr 1, 2025
NFL implementing Hawk-Eye system to measure first downs - ESPN
Bleacher Report • Apr 1, 2025
NFL Announces Hawk-Eye Technology Will Be Used to Measure 1st Downs for 2025 Season