Durkin's Playbook: Breaking Down Vic Fangio's Defensive SchemeFangio's 3-4 base is predicated on physical and instinctive play up front.
Bears-49ers: 5 Matchups To WatchEach team's tight end is worth keeping an eye on Sunday night.
Durkin: Know Your Opponent -- San Francisco 49ersInjury and suspension have left the 49ers defense shorthanded, but it's still stout.
NFC All-Pro Selections - DefenseDefense wins championships. But these days it's a certain kind of defense. Check out our NFC all-pro defense to see who excels.