Lions reportedly sign Jack Campbell to 4-year extension after declining LB's fifth-year option

Jack Campbell broke the news on Thursday that the 25-year-old linebacker's inked a new deal with the Detroit Lions.

What's up, One Pride Nation?" Campbell said in a video the Lions posted on social media. Jack Campbell here. I just want to let you guys know, I signed my extension. I'm excited to be back. I'm excited to be here long term. Now it's time to go win a Super Bowl."

Campbell, part of a slam-dunk Lions 2023 draft class, has agreed to a four-year extension, according to NFL Network's Ian Rapoport. The Iowa product has a new deal after the Lions declined his fifth-year option earlier this offseason.

The #Lions and star LB Jack Campbell have agreed to terms on a 4-year deal, source said. No fifth-year option, just a big money contract instead. pic.twitter.com/juhWWtyJqy

- Ian Rapoport (@RapSheet) May 21, 2026

This story is being updated.