It looks like the San Francisco 49ers will be facing another secondary that is not at full strength Sunday.Seattle Seahawks coach Pete Carroll said cornerback Brandon Browner is doubtful to play with a hamstring injury.Last week, the 49ers played the Green Bay Packers, who were without cornerback Casey Hayward and safety Morgan Burnett. San Francisco quarterback Colin Kaepernick threw for a career high 412 yards in the 34-28 win.Browner didn't play last week at Carolina.