His injury or status is unknown at this point. Jenkins had one tackle before he left the game.
Jenkins has appeared in six games for the Eagles this season. He's made 10 tackles and has a fumble recovery.
Jenkins, 31, is in his second season with the Eagles. He started all 16 games last season and recorded 5 1/2 sacks and 34 tackles.
Jenkins played seven seasons with the Green Bay Packers. He played 93 games with the Packers, recording 132 tackles and 29 sacks.
Jenkins, who recorded a career-high 6 1/2 sacks in 2006, was undrafted out of Central Michigan. Jenkins was a member of the Packers when they won Super Bowl XLV.
Atlanta leads Philadelphia, 14-0, in the second quarter of Sunday's game. Matt Ryan has completed 10 of 11 passes for 80 yards and two touchdowns.