Fox finished the 2022-23 season with 38 tackles (24 solo), 6.5 sacks and eight tackles for loss.
Fox totaled four tackles (three solo), including a sack, in Sunday's 31-10 victory versus the Rams.
Fox registered six tackles (five solo) and two sacks in Monday's 20-3 win over the Colts.
The Chargers signed Fox on Wednesday, Aaron Wilson of ProFootballNetwork.com reports.
The Panthers released Fox on Monday, Darin Gantt of the team's official site reports.
Fox made three tackles (two solo) and half a sack in Thursday night's 24-9 win over the Texans.
Fox signed a two-year deal with the Panthers worth up to $8.5 million Wednesday, Joe Person of The Athletic reports.
Fox recorded 27 tackles (21 solo), six sacks and two pass breakups across 16 games in 2020.
Fox recorded four solo tackles, a sack and forced a fumble during Sunday's 17-9 win over the Giants.
Fox has re-signed with the Rams on a one-year deal, NFL.com reports.