Hold on to your butts.
49ers inactives: WR Mario Manningham, WR AJ Jenkins, RB LaMichael James, G Joe Looney, NT Ian Williams, S Trenton Robinson, QB Tolzien.
Seahawks Inactives: WR Charly Martin, S Winston Guy, CB Danny Gorrer, CB Byron Maxwell, G J.R. Sweezy, G John Moffitt and DT Jaye Howard.