Hekker (personal) did not participate at practice Wednesday, David Newton of ESPN.com reports.
The Panthers announced Wednesday that they've restructured Hekker's contract to save $792,000 in cap space, Mike Kaye of The Charlotte Observer reports.
Hekker signed a three-year, $7.6 million contract with the Panthers on Friday, Adam Schefter of ESPN reports.
Hekker was released by the Rams on Wednesday.
Hekker (undisclosed) was activated from the reserve/COVID-19 injured list Thursday, Lindsey Thiry of ESPN.com reports.
The Rams placed Hekker on the reserve/COVID-19 list Saturday.
Hekker signed a $4.25 million contract extension with the Rams on Saturday, Adam Schefter of ESPN reports. He's now tied to the team for five years at $18.75 million.
Hekker made his only field-goal attempt and only extra-point try after being forced into kicking duties following teammate Greg Zuerlein's groin injury suffered during Sunday's game against the Cardinals.