Seahawks RB Chris Carson likely retiring at age 27
Plagued by injuries, these NFL stars retired way before their time
Seahawks running back Chris Carson suddenly retires due to neck injury
Seahawks' Chris Carson to undergo season-ending neck surgery
Chris Carson: Seattle Seahawks running back to retire from NFL aged 27 due to neck injury, NFL News
Seahawks RB Chris Carson retiring with neck injury: Report
Seahawks RB depth chart: Chris Carson retirement means Rashaad Penny, Kenneth Walker will lead Seattle backfield
Seahawks' Pete Carroll hints Chris Carson may be forced to retire due to neck injury: 'He's battling'
Seahawks RB Chris Carson retiring due to neck injury