January 4: Clubs may begin signing free agent players for the 2016 season.
January 4: Clubs may renegotiate or extend the rookie contract of a drafted rookie who was selected in the 2013 NFL Draft. Any permissible renegotiated or extended player contract will not be considered a rookie contract, and will not be subject to the rules that limit rookie contracts.
January 4: Option exercise period begins for fifth-year option for first-round selections from the 2013 NFL Draft. To exercise the option, the club must give written notice to the player on or after January 4, but prior to May 3.