The Seahawks' starting quarterback will not play Sunday when Seattle travels to San Francisco. Hasselbeck still has not reached the required benchmarks as part of his recovery from a bulging disk in his back causing weakening in his right knee.

Backup Seneca Wallace will get his second consecutive start for the Seahawks (1-5), ending the slim hopes coach Mike Holmgren had of getting Hasselbeck back for this week.

"There is a series of things, exercises, that he has to go through every week and they are measurables, and if he doesn't meet certain criteria then they're just not going to clear him," Holmgren said of Hasselbeck after Friday's practice. "And it has to do with the strength, and his ability to do certain things and maintain and play a game."

Hasselbeck hyperextended his knee early in Seattle's 44-6 loss to the New York Giants on Oct. 5 and played most of the game, but hasn't seen the practice or playing field since. Last Sunday against Tampa Bay, Wallace became Seattle's third starting quarterback in as many weeks in the Seahawks' 20-10 loss, their third consecutive setback. Again the Seahawks' passing game faltered as Wallace hit on only 12 of 23 passes for 73 yards and compiled a passer rating of 55.2.

Seattle Seahawks News News » Hasselbeck won't play vs. 49ers; Wallace in 2008-10-24
Hasselbeck won't play vs. 49ers; Wallace in 2008-10-24
SEATTLE (AP) - Matt Hasselbeck will again be watching from the sidelines. Deion Branch is likely to join him. NFL Blitz Can't get enough NFL? We've got everything you need for Week 8. Check out the NFL Blitz, where we count down all the games from the worst to the best.