Coach Ron Rivera said spending last season on the practice squad allowed Stephen Hill to relax and focus on catching the football.
The Panthers will exercise ILB Luke Kuechly's fifth-year team option for 2016.
Panthers GM Dave Gettleman confirmed Michael Oher will play left tackle.
Panthers signed S Kurt Coleman, formerly of the Chiefs, to a two-year contract.
ESPN Panthers reporter David Newton believes Cam Newton will not sign an extension before the summer.
Panthers signed CB Teddy Williams to a two-year, $2.3 million contract.
Panthers re-signed TE Ed Dickson to a three-year, $7.9 million contract.
Panthers re-signed DT Dwan Edwards.
Panthers re-signed QB/WR Joe Webb to a one-year, $825,000 contract.
Panthers re-signed RB Fozzy Whittaker to a two-year contract.
Panthers re-signed WR Brenton Bersin to a one-year contract.
Panthers agreed to terms with KR/WR Ted Ginn on a two-year, $4.2 million deal.
The Browns have expressed interest in free agent TE Ed Dickson.
The Charlotte Observer expects SLB Thomas Davis to receive a contract extension this offseason.
Panthers signed OT Michael Oher to a two-year contract.