Panthers linebacker Brian Burns was the first of several tags ahead of the 4 p.m. ET deadline Tuesday.
Veteran safety Eric Berry and the Chiefs will not come to terms on a long-term deal prior to the Friday deadline, sources told ESPN.
A source familiar with the talks said Thursday night he was "optimistic" that a Denver Broncos deal with Von Miller will get done by the 4 p.m. ET Friday deadline.
Ravens kicker Justin Tucker is vowing not to re-sign with Baltimore after this season if the two sides do not have a long-term deal in place by Friday's 4 p.m. ET deadline.
The Broncos have scheduled a phone call with Von Miller and his agent to discuss a long-term deal, league sources told ESPN's Ed Werder.
Broncos GM John Elway called Von Miller over the Fourth of July weekend to express his willingness to work out a long-term deal with the Super Bowl 50 MVP, league sources told ESPN.
