NFL Playoff Picture: Week 18 wins equate to No. 1 seed for Broncos, 49ers, Seahawks

The Denver Broncos, Seattle Seahawks and San Francisco 49ers are starting the playoffs one week early.

At least that's the mindset shared by Broncos coach Sean Payton with Denver (13-3) in line to secure the No. 1 seed, first-round bye and home-field advantage in the AFC by beating the Los Angeles Chargers (11-5) on Sunday.

Week 18 shapes up as a maze for many teams assured only a spot -- but not their current seeding -- in the postseason bracket.

The Seahawks and 49ers settle...