NFL free agency primers: Biggest needs for all 32 teams in 2014

With free agency set to kick off at 4 p.m. ET on Tuesday, March 11, Elliot Harrison identifies needs for all 32 teams over eight divisional primers. Click on each division for full analysis:

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NFC North

» Chicago Bears: Downtrodden defense badly needs safety help.

» Detroit Lions: Still seeking a Calvin Johnson complement at WR.

» Green Bay Packers: Defensive line issues abound in Titletown.

» Minnesota Vikings: Who can play linebacker for Mike Zimmer?

***Click here for the entire NFC North primer***

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AFC North

» Baltimore Ravens: Joe Flacco certainly could use more weapons.

» Cincinnati Bengals: Stout D remains underwhelming in one area.

» Cleveland Browns: Whole lotta needs, whole lotta spending cash.

» Pittsburgh Steelers: Troy Polamalu and the troubling old guard.

***Click here for the entire AFC North primer***

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NFC South

» Atlanta Falcons: This defense simply must boost its sack total.

» Carolina Panthers: Protecting Cam Newton is a major concern.

» New Orleans Saints: The secondary is rife with question marks.

» Tampa Bay Buccaneers: Lovie Smith inherits a D with one flaw.

***Click here for the entire NFC South primer***

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AFC South

» Houston Texans: Time to protect J.J. Watt on the defensive line.

» Indianapolis Colts: Back end of D looms as a playoff problem.

» Jacksonville Jaguars: Desperately seeking sacks (per usual).

» Tennessee Titans: GM Ruston Webster remains a mystery man.

***Click here for the entire AFC South primer***

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NFC East

» Dallas Cowboys: Tight cap could limit Jerry Jones' activity.

» New York Giants: No-name linebacking corps really stands out.

» Philadelphia Eagles: Chip Kelly has a glaring need on defense.

» Washington Redskins: Last line of defense is quite unsettling.

***Click here for the entire NFC East primer***

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AFC East

» Buffalo Bills: Transitioning defense lacks linebacker depth.

» Miami Dolphins: Ryan Tannehill's safety must be prioritized.

» New England Patriots: Vince Wilfork needs younger colleagues.

» New York Jets: Is this Michael Vick's ultimate destination?

***Click here for the entire AFC East primer***

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NFC West

» Arizona Cardinals: Seeking edge protector and edge pass rusher.

» St. Louis Rams: More weapons for Sam Bradford, please.

» San Francisco 49ers: Defensive line isn't getting any younger.

» Seattle Seahawks: Defending champs could upgrade O-line depth.

***Click here for the entire NFC West primer***

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AFC West

Follow Elliot Harrison on Twitter @HarrisonNFL.