The Panthers released Davis (foot) off injured reserve with an injury settlement Monday, per the NFL's transaction log.
Davis agreed to terms on a contract with the Panthers on Friday.
Davis (concussion) has been ruled out ahead of Sunday's game against the Titans, Amna Subhan of the Falcons' official site reports.
Davis (concussion) missed Thursday's practice, Michael Rothstein of ESPN.com reports.
Davis is clear to play again Sunday against the Buccaneers after leaving the game for concussion evaluations, Tori McElhaney of the Falcons' official site reports.
Davis is going through concussion evaluations and is questionable to return to Sunday's game against the Buccaneers, Tori McElhaney of the Falcons' official site reports.
Davis and the Falcons agreed to a one-year contract Friday, Michael Rothstein of ESPN.com reports.
Davis (undisclosed) worked out for the Bears on Tuesday, Aaron Wilson of ProFootballNetwork.com reports.
The Raiders released Davis (undisclosed) from injured reserve Friday, Aaron Wilson of ProFootballNetwork.com reports.
The Raiders placed Davis (undisclosed) on injured reserve Sunday, Vincent Bonsignore of the Las Vegas Review-Journal reports.