The offseason has featured big changes in Tampa Bay and New York. The 49ers, meanwhile, barely have brought in new talent. We examine which teams made the most moves.

It's playoffs or bust for the Panthers, where the feeling around Carolina is decidedly less optimistic than it was the offseason following Cam Newton's dynamic rookie season.

The "C" patch on select players' jerseys has become a ubiquitous part of the NFL. But what are the roles and responsibilities of a captain? Jeff Darlington says the answer varies from team to team.

Tim Tebow's preseason debut with the Jets hits some turbulence, Jake Locker is closing in on Matt Hasselbeck and Andrew Luck makes it look easy. Marcas Grant recaps the weekend's preseason games.

Carolina's offense took big hits last season, but mostly from its own defense. The 28th-ranked unit must step it up this season and support QB Cam Newton's efforts.

Panthers want to improve defense in upcoming draft

AP Source: Panthers agree with LB Onatolu

2012 NFL Free Agents List

2011 NFL Free Agents List

Panthers release G Wharton, sign G Hangartner

Starting RG Hangartner re-signs with Carolina