The New Orleans Saints have traded Darren Sproles to the Philadelphia Eagles. How will the dynamic running back fit in Chip Kelly's offense?

The New England Patriots became even thinner defense Saturday. Starting defensive tackle Tommy Kelly was placed on injured reserve with a knee injury.

This week in Reading the Defense, Marcas Grant hands out some midseason honors, including acknowledging a player who's putting the boom in Legion of Boom.

Will defensive tackle Isaac Sopoaga fix New England's defensive woes? The Patriots will find out after they once again beat the NFL's trade deadline with a last-minute deal.

Geno Atkins of the Cincinnati Bengals rivaled J.J. Watt for Defensive Player of the Year in 2012. Is he still the game's top defensive tackle? Chris Wesseling breaks down the position's best.

With the 2013 NFL Draft now in the books, Elliot Harrison breaks down all the action, including the Miami Dolphins' selection of Dion Jordan. Who won -- and who should be worried?

It will be very odd watching the Pittsburgh Steelers without James Harrison, but the 2013 NFL Draft offers a perfect replacement: Jarvis Jones. Daniel Jeremiah identifies prospects to fill voids.

The Seattle Seahawks, with Percy Harvin, are loaded. The Philadelphia Eagles and Detroit Lions seem primed for comeback seasons. Gregg Rosenthal breaks down how free agency has impacted the NFC.

This year's free-agent crop is a lot like this year's draft class: What it lacks in star power, it makes up for in depth. Gregg Rosenthal ranks the best players on the market this year.

Tony Romo could use some serious help, but Jerry Jones has yet to add any. Elliot Harrison looks at why the Dallas Cowboys and other notable teams have stayed on the free agency sideline.

The Tennessee Titans are banking on defensive tackle Sammie Lee Hill to bloom in a new setting, agreeing to a three-year, $11.4 million contract with him, Ian Rapoport reported.

The San Francisco 49ers brought Glenn Dorsey into the fold. Dorsey -- the No. 5 overall pick in the 2008 draft -- was a solid run-stuffer with the Kansas City Chiefs and adds depth for the 49ers.

The Philadelphia Eagles decided to stay close to the ground with their first free-agent moves of the Chip Kelly era, eschewing the marquee names to sign five solid starters.

Need an interior defensive lineman? Marc Sessler breaks down the options from Henry Melton to Richard Seymour. We rank the top players and reveal which teams will be looking for help.

The Denver Broncos look like a serious title contender, but Peyton Manning needs better ground support. How does Steven Jackson sound? Elliot Harrison breaks down free agency in the AFC West.

Cliff Avril was born and raised in the Jacksonville area. The Jaguars desperately need a productive pass rusher. Perfect match? Elliot Harrison thinks so in his AFC South free agency primer.

Former Philadelphia Eagles defensive lineman Cullen Jenkins is reportedly scheduled to meet with the Seattle Seahawks on Monday and the San Francisco 49ers on Tuesday.

Dashon Goldson's future is among the issues the San Francisco 49ers need to address this offseason. Gregg Rosenthal writes about what's next for the Super Bowl runners-up.