A two-time Pro Bowler, Kamara missed his second straight practice Thursday. He suffered the injury late in the Saints' win over the Jaguars in Jacksonville on Sunday. He has averaged 5.5 yards per touch this season.
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The Bears officially listed quarterback Mitchell Trubisky as a full participant in practice Thursday, marking his second straight day of full work as he looks to return from a left shoulder injury that sidelined him for one full game and most of another. Receiver Taylor Gabriel (concussion), defensive lineman Bilal Nichols (hand) and linebacker Joel Iyiegbuniwe (hamstring) practiced in full. Guard Ted Larsen (knee) was limited.
Saints quarterback Drew Brees (right thumb), tight end Jared Cook (ankle) and receiver Tre'Quan Smith (ankle) also were sidelined from practice. Brees isn't expected to play Sunday. Backup quarterback Teddy Bridgewater has led the Saints to 4-0 mark starting in place of Brees this season.
Kickoff between the Bears (3-2) and Saints (5-1) comes at 3:25 p.m. CT on Sunday from Soldier Field.