The Broncos still are negotiating with TE Jacob Tamme, league sources said Friday, even after signing TE Joel Dreessen earlier in the day.

Former Saints CB Tracy Porter has agreed to terms with the Broncos on a one-year deal, according to a league source.

Niners QB Alex Smith‘s three-year deal does not include a signing bonus and is worth $8 million in 2012 — a $5 million fully guaranteed base salary, a $3 million roster bonus and another $1.25 million in incentives.

​The Bengals have re-signed CB Adam ‘Pacman’ Jones​, according to a league source.

The Broncos have met with two of Peyton Manning’s former teammates, TE Jacob Tamme and C Jeff Saturday, and have interest in signing both, league sources said. But other clubs are pursuing them hard as well.

Wide receiver Deion Branch has agreed to a one-year deal to return to the Patriots, according to a league source.

Free-agent cornerback Chris Carr is visiting with the Chiefs Thursday and has a meeting set up with the Minnesota Vikings, according to a league source.

Jets backup QB Drew Stanton is considering asking for a trade or release, according to a league source.

NFL Network insider Jason La Canfora rounds up the visits made by unsigned free agents on Tuesday.

The Buccaneers have agreed to a one-year deal with five-time Pro Bowl CB Ronde Barber, Fox Sports insider and NFL Network contributor Jay Glazer reported Wednesday.

The Bengals and free-agent RB BenJarvus Green-Ellis have agreed to terms on a deal, league sources said Wednesday.

Free-agent DB Patrick Lee has agreed to terms on a one-year deal with the Raiders, league sources said Wednesday.

Former Bills pass rusher Aaron Schobel is considering a return to football, according to league sources.

The deal that DE Mark Anderson signed with the Bills on Wednesday is for four years and $27.5 million, a league source said Wednesday, and $8 million is fully guaranteed.

Veteran DT Brodrick Bunkley and the Saints have agreed to a five-year, $25 million deal with $9 million fully guaranteed, according to a league source.