Falcons nose tackle Paul Soliai, who was battling through a calf injury, was placed on injured reserve on Tuesday.
Tight end D.J. Tialavea was promoted to the 53-man roster.
Soliai, 6-foot4, 345 pounds, tried to play against the Panthers. He left the game and return to action and aggravated the injury.
Soliai has played in 14 games this year for the Falcons. He had 22 tacles and a fumble recovery.