--Linebacker Ernie Sims re-signed with the Dallas Cowboys. Sims joined the team midseason in 2012 and started six of the 10 games he played in, recording 44 tackles and a sack.

---Restricted free agent cornerback Cassius Vaughn signed his qualifying offer with the Indianapolis Colts.

-- The Oakland Raiders signed unrestricted free agent defensive tackle Vance Walker.

---Tight end Matt Spaeth signed a two-year deal with the Pittsburgh Steelers. Financial terms were not disclosed.