The NFL preseason is over. The season is less than a week away from kicking off -- and that means it's time for teams to trim their rosters to 53 players before Saturday's roster deadline.

How will Marcus Mariota fare at frigid Arrowhead? Can Alex Smith and the Chiefs pull ahead in the AFC West? Here's what you need to know heading into Week 15.

General manager Phil Emery went into the offseason with the priority of fixing the Chicago Bears' defense. After a slew of strong signings, the Bears have added ex-Lions defensive end Willie Young.

Rob Ninkovich won't make people forget about Vince Wilfork's loss, but the defensive end is softening the blow for the Patriots and fantasy owners alike.