Other key free agency signings include running back Najee Harris, cornerback Donte Jackson and defensive tackle Da'Shawn Hand. Mack's $18 million extension is the team's biggest deal thus far, but they still have a decent amount of money to use before calling it a day.

The Los Angeles Chargers brought back a familiar face when they agreed to terms with free-agent wide receiver Mike Williams. Williams, who was the seventh overall selection in the 2017 NFL Draft, spent the first seven years of his career with the Chargers before joining the New York Jets in 2024.

Mike Williams and the Chargers agreed to a one-year deal worth up to $6 million, a source told ESPN's Kris Rhim, confirming a Fox Sports report.