Other injuries we're tracking on this Week 4 Sunday:
Cornerback David Amerson did not return due to a concussion.
Wide receiver Michael Crabtree, who is dealing with a lung bruise, did not play against the Denver Broncos. Receiver Marquise Goodwin is out after sustaining a concussion. Safety Adrian Colbert is also out with a hamstring injury.
Running back Chris Carson was carted off during the fourth quarter with what coach Pete Carroll later called a "significant" ankle injury. Offensive lineman Rees Odhiambo went to the hospital with a chest injury. Carroll said he had trouble breathing but that his signs were stable.
- Detroit Lions linebacker Paul Worrilow was carted off the field with his left knee wrapped. Worrilow did not return to the game.
- New England Patriots defensive back Eric Rowe suffered a groin injury in the team's loss to Carolina. Linebacker Elandon Roberts suffered an ankle injury.
- New York Jets cornerback Darryl Roberts and linebacker Darron Lee suffered respective hamstring and ankle injuries.