Elflein (undisclosed) was placed on injured reserve Monday, Tyler Drake of ArizonaSports.com reports.
Elflein and the Cardinals agreed on a contract Tuesday, Darren Urban of the team's official site reports.
The Panthers released Elflein (hip) with a failed physical designation Tuesday, Darin Gantt of the team's official site reports.
Elflein is due to undergo a hip surgery that will end his 2022 season, Joe Person of The Athletic reports.
Elflein (hip) was placed on injured reserve Saturday, Joe Person of The Athletic reports.
Coach Steve Wilks said Friday that he does not expect Elflein (hip) to play Sunday versus Tampa Bay, Darin Gantt of the Panthers' official site reports.
Elflein (hip) was a non-participant in practice Wednesday, Joe Person of The Athletic reports.
Elflein was activated from the reserve/COVID-19 list Wednesday, Joe Person of The Athletic reports.
The Panthers placed Elflein (undisclosed) on the reserve/COVID-19 list Thursday, Darin Gantt of the Panthers' official site reports.
Elflein (hamstring) was not listed on the injury report Wednesday, Steve Reed of the Associated Press reports.