What happened: The Detroit Lions have signed linebacker Jack Campbell to a four-year contract extension worth $81 million. A Yahoo NFL breakdown details the deal's cap hits and future-out structure. The agreement secures one of Detroit's defensive cornerstones ahead of the 2026 season.

Why it matters: The extension signals Detroit's commitment to building its defense around Campbell as a long-term anchor at linebacker. At roughly $20 million per year on average, the deal sets a significant marker for the position and shapes the Lions' cap flexibility heading into 2026. How the contract is structured — guarantees, signing bonus, and escape windows — will dictate how much room Detroit retains to retain or add talent.

What to watch: Watch for the official year-by-year cap hits and guaranteed-money breakdown, and how the deal affects Detroit's remaining offseason moves heading into 2026.