(Renton, WA)  --  The Seattle Seahawks know which teams they'll be playing during the 2016 preseason.  Dates for two of the games have been set by the NFL, including August 18th at CenturyLink Field versus Minnesota and September 1st at Oakland.  The league has yet to determine when and where games against Kansas City and Dallas will be played.  It will be the eleventh straight year the Seahawks will finish their preseason against the Raiders.