Bryce Huff walked away from the NFL at 27, and the reason had nothing to do with football fading from his life. It had everything to do with another project demanding his full attention.
The former Philadelphia Eagles and San Francisco 49ers linebacker said he retired in March so he could focus on Naberstone, the infrastructure fire safety company he started with his older brother, Jordan. Huff told The Athletic that he chose not to play out the rest of the three-year, $51 million deal he signed with the Eagles in 2024.
The company was founded about two-and-a-half years ago and builds fire interruption systems designed to reduce the risk posed by lithium-ion batteries. According to its website, Naberstone has six employees and its work applies to a wide range of industries, including data centers, energy storage, charging stations, aviation and aerospace.
“Everything is slowly but surely containing batteries, from cars to our tools to bikes, you name it,” Huff said. “The biggest risk with batteries is the way they ignite if they were to take on some type of damage or malfunction or short circuit. One cell in the battery combusts … and then it’s just like a chain reaction throughout the battery.”
Huff’s football career stretched across six seasons. He spent his final year in the league with the 49ers in 2025 after one season in Philadelphia in 2024, where he helped the Eagles win Super Bowl LIX. Before that, he played four seasons with the New York Jets from 2020-23 and posted a career-best 10 sacks in 2023.
His path to the league started at Memphis, where he played college football before going undrafted in the 2020 NFL Draft and later signing with the Jets.
“Going into the NFL, I couldn’t really put my love for engineering to good use,” he said. “But now I feel like since we’re working with engineers on a day-to-day basis, it’s just as good as actually being an engineer myself.”
Huff, who turned 28 in April, announced the decision in a March video posted to Instagram.
“I’m retiring from football,” Huff said in the video. “I started playing football when I was four years old.
Growing up, I wasn’t the biggest or the strongest and I didn’t have many friends. All I really had was the game.
Football kept me grounded. It gave me something to hold on to.”
He finished his NFL career with 108 tackles, 24 sacks, four forced fumbles and four pass deflections in 81 games.
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