Among the claims, cornerback Rasul Douglas started 18 games for the Eagles over the last three years.
Fans will not be in attendance for the season opener on Sept. 13.
Head coach Matt Rhule provided injury updates on WR Keith Kirkwood and TE Temarrick Hemingway in a media conference call on Sunday.
Gano missed the entire 2019 season with an injury in his plant leg.
Rhule talked about the new stadium setup for safety measures, the roster makeup and the staff's approach to a unique training camp amidst the pandemic.
Punter Michael Palardy will miss 2020 with a torn ACL; Greg Little will begin camp on the active/PUP list.
Carolina's entire 2020 draft class have now signed rookie contracts.
The Panthers will hold games with reduced seating capacity to help secure a safe environment at Bank of America Stadium.
The seven-time Pro Bowler will bring his film-watching expertise into his new role.
Carolina's head coach stressed the need to listen and act in the wake of George Floyd's death.