(Seattle, WA)  --  The Seahawks will host the 49ers on Sunday in an NFC West battle at CenturyLink Field.  The teams split their two games last season.  Seattle has the top offense in terms of yards, but the worst defense in yards allowed.  The 49ers' defense is fifth in the league.  The Seahawks are 5-and-1, while the defending NFC champion Niners are 4-and-3.