(Renton, WA)  --  The Seahawks are filling some roster holes prior to Sunday's game against the undefeated Rams.  Seattle has signed veteran safeties Maurice Alexander and T.J. Green to replace Earl Thomas, who was placed on season-ending injured reserve.  The Seahawks also promoted tight end Darrell Daniels to the active roster one day after moving Will Dissly to IR.  Seattle is 2-and-2 after winning its last two.