One way to accomplish this goal is to simply out-will the opponent, something head coach Jim Harbaugh certainly feels his team did in the first meeting of the year between the two divisional rivals.
"That was the most physical 30 minutes of football in the second half that I have ever seen our football team play," Harbaugh said. "It's a sweet win. It was a real football fight, and our guys won it."
The 13-7 victory in Week 7 gave the Niners sole possession of first place in the NFC West for the first time in 2012. Now holding a one-and-a-half-game lead over Seattle, a loss at CenturyLink Field Sunday night cannot take that away. But it would certainly make things a little more interesting than SF would prefer heading into the final week of the season.
Outside of simply winning the physical battle, here are five things the 49ers must do to clinch the NFC West title against the Seahawks in Week 16.