(Renton, WA)  --  The Seahawks are signing six players to futures contracts.  Seattle is holding onto offensive linemen Isaiah Battle and Willie Beavers, quarterback Trevone Boykin, defensive back Alex Carter, wideout Cyril Grayson Jr., and defensive end Noble Nwachukwu.  All six players finished the season on the practice squad and will be on the team's 90-man offseason roster.