(Undated)  --  The Seattle Dragons' roster is starting to come together.  Former Troy quarterback Brandon Silvers will be the team's signal caller while the team added Kasen Williams, a Washington-native and former U-Dub player who played with the Seahawks and Browns.  The Dragons also used its first-round pick in phase two to select 6-foot-7 tackle Isaiah Battle, who formerly played for the Seahawks.  Training camp opens in January and the regular season begins in February.  The Dragons' home stadium will be CenturyLink Field.  Former Seahawks quarterback and quarterbacks coach Jim Zorn is the head coach and general manager.