The Niners' secondary has to better than it's been for San Francisco to lock up the top spot in the NFC this Saturday.
Well, it's all come down to this.
After a wild back-and-forth affair with the Chicago Bears this past Sunday that saw the San Francisco 49ers maintain control of their own destiny with a 42-38 victory, Kyle Shanahan & Co. are now set for a winner-take-all Week 18 showdown with the Seattle Seahawks this Saturday night that will determine both the NFC West and the No.