The Saints finished dead last in 2012 against the run. Big John Jenkins -- all 6-foot-4, 346 pounds of him -- could be the run-stuffing presence New Orleans needs to return to the top of the NFC South.
The Saints entered 2012 intent on becoming the first team to play in a Super Bowl hosted by the home team's city. But they didn't come close. The yearlong bounty-related suspension of coach Sean Payton proved too tough to overcome.
The Falcons' defense has a knack for confusing elite QBs on third down and forcing turnovers. Pete Prisco studies tape and says the secret to Atlanta's success is elaborate pre-snap movements and superior speed.