NFC West title in Week 18. Here's where San Francisco stands in the playoff picture and what a win over Seattle means for seeding.

The only active 49ers defenders to ever start a playoff game in their careers are safety Ji’Ayir Brown and cornerback Deommodore Lenoir.

The San Francisco 49ers have entered the chat as a serious Super Bowl contender this season. Anxious to end their 30-year drought without a championship, the 49ers are once again streaking at the right time under coach Kyle Shanahan coming out of Sunday night's thrilling 42-38 victory over the Chicago Bears .

While five AFC and six NFC teams have clinched playoff spots, seven of the league's eight divisions are still up for grabs.

Today’s question of the day asks what the 49ers’ magic number is come playoff time. How many points will the 49ers need to score in the postseason to win? For a comfortable win? Obviously, it’s a matchup-based league. But there aren’t many situations where the Niners won’t have the advantage.

“I’ve got a chance, man. That’s the plan,” Warner said on NBC’s pregame show before the 49ers’ Sunday night showdown with the Chicago Bears. “We’re going to take this thing one day at a time. There’s a whole lot of different steps. T’s have to be crossed, I’s have to be dotted in order to get there, but we’re on the right track.”

Follow live updates as the Bears and 49ers square off in a Week 17 NFL game that will have a big impact on the NFC playoff picture.

The San Francisco 49ers forced a regular-season finale against the Seattle Seahawks where the winner will claim the NFC's No. 1 seed and the NFC West title. The New England Patriots secured the AFC East title with the Buffalos Bills' dramatic loss to the Eagles.