Seahawks rule out WR Jake Bobo (concussion) for Week 1 against the 49ers.

Both Bobo and LB Uchenna Nwosu (knee) kicked the week off with promising limited practice participation statuses, but they were ultimately unable to get cleared for action. With Bobo out, rookie speedster WR Tory Horton (ankle) should operate as the clear-cut No. 3 wide receiver. Backup WR Dareke Young (hamstring) is also out.