Aaron Wilson of the Baltimore Sun reports that Baltimore Ravens center Matt Birk will announce his retirement later today after 15 years in the NFL.
The Ravens sent out a press release late Thursday saying that Birk would be dedicating a community reading center on Friday morning, but that he also would be "making another announcement" that sources close to Birk say will indeed be his retirement.
In looking at the Baltimore Ravens' salary cap situation, the Baltimore Sun's Aaron Wilson says that linebacker Paul Kruger may be too costly to keep this year.
James Reagan of Bleacher Report ranks the five biggest free-agent priorities for the Ravens this offseason.
Joe Reedy of the Cincinnati Enquirer takes a closer look at the Cincinnati Bengals special teams.
Sean O'Donnell of Bleacher Report looks at what prominent football minds around Twitter have been saying about Bengals quarterback Andy Dalton.
Cleveland Browns head coach Rob Chudzinski says that he's open to trade offers about quarterbacks Brandon Weeden and Colt McCoy, reports Mary Kay Cabot of the Cleveland Plain Dealer.
Bleacher Report's Mike Hoag takes a look at whether the Browns are really on the brink of turning things around this year.
Gerry Dulac of the Pittsburgh Post-Gazette reports that Pittsburgh Steelers general manager Kevin Colbert isn't concerned about the leaked comments regarding the conditioning and health of linebacker LaMarr Woodley, though he added he didn't believe the comments.
Bleacher Report's Chris G. wonders if Steve Breaston might be a solid replacement for Mike Wallace at wide receiver.