February 8: Beginning at 12 PM ET, NFL clubs may begin to sign players whose 2016 CFL contracts have expired. Players under contract to a CFL club for the 2017 season or who have an option for the 2017 season are not eligible to be signed.
February 14: First day for clubs to designate Franchise or Transition Players.
March 1: Prior to 4:00 PM ET, deadline for clubs to designate Franchise or Transition Players.
March 5-8: Clubs are permitted to contact, and enter into contract negotiations with the certified agents of players who will become Unrestricted Free Agents upon the expiration of their 2016 contracts at 4:00 PM ET, on March 9. However, a contract cannot be executed with a new club until 4:00 PM ET, on March 8.
Prior to 4:00 PM ET, clubs must submit qualifying offers to their Restricted Free Agents with expiring contracts and to whom they desire to retain a Right of First Refusal/Compensation.
Prior to 4:00 PM ET, clubs must submit a Minimum Salary Tender to retain exclusive negotiating rights to their players with expiring 2017 contracts and who have fewer than three accrued seasons of free agency credit.
Top-51 Begins. All clubs must be under the 2019 salary cap prior to 4:00 PM ET.
All 2016 player contracts expire at 4:00 PM ET. The 2018 league year and free agency period begin at 4:00 PM ET. The first day of the 2017 league year will end at 11:59:59 PM ET, on March 9. Clubs will receive a personnel notice that will include all transactions submitted to the league office during the period between 4:00 PM ET, and 11:59:59 PM ET, on March 9.
Trading period for 2018 begins at 400 PM ET, after expiration of all 2017 contracts.
March 20-23: Annual Meeting, Phoenix, Arizona.
April 4: Clubs that hired a new head coach after the end of the 2017 regular season may begin offseason workout programs.
April 18: Clubs with returning head coaches may begin offseason workout programs.
April 22: Deadline for Restricted Free Agents to sign offer sheets.
April 27: Deadline for prior club to exercise Right of First Refusal to Restricted Free Agents.
June 1st: For any player removed from the club's roster or whose contract is assigned via waivers or trade on or after June 1st, any unamortized signing bonus amounts for future years will be included fully in team salary at the start of the 2019 League Year.
Deadline for prior club to send "June 1st Tender" to its unsigned Unrestricted Free Agents. If the player has not signed a contract with a club by July 20 or the first scheduled day of the first NFL training camp, whichever is later, he may negotiate or sign a contract from that date until the Tuesday following the 10th weekend of the regular season, at 4:00 PM ET, only with his prior club.
Deadline for prior club to send "June 1st Tender" to its unsigned Restricted Free Agents who received a qualifying offer for a Right of First Refusal Only in order for such player to be subject to the CBA's "June 15 Tender" provision.
June 14th: Deadline for club to withdraw qualifying offer to Restricted Free Agents and still retain exclusive negotiating rights by substituting "June 15th Tender" of one-year contract at 110 percent of the player's prior-year Paragraph 5 Salary (with all other terms of his prior-year contract carried forward unchanged).
July 14th: At 4:00 PM ET, deadline for any club that designated a Franchise Player to sign such player to a multi-year contract or extension. After this date, the player may sign only a one-year contract with his prior club for the 2018 season, and such contract cannot be extended until after the club's last regular season game.
Mid-July: Clubs are permitted to open preseason training camp for rookies and first-year players beginning seven days prior to the club's earliest permissible mandatory reporting date for veteran players.
Veteran players (defined as a player with at least one pension- credited season) other than quarterbacks or "injured players" (as defined in CBA Article 21, Section 6) may report to a club's preseason training camp no earlier than 15 days prior to the club's first scheduled preseason game or July 14, whichever is later.
Veteran quarterbacks and injured players may be required to report to the club's preseason training camp no earlier than five days immediately prior to the mandatory reporting date for all other veteran players, provided the club has already opened (or simultaneously opens) its official preseason training camp for all rookies and first-year players.
A three-day acclimation period will apply to players who are on a club's roster up to and including the mandatory veteran reporting date. Players who join the roster after that date may practice (including wearing pads) and play immediately after passing a physical.
July 21st (or the first scheduled day of the first NFL training camp, whichever is later): Signing Period ends for unrestricted Free Agents to whom a "June 1 Tender" was made by prior club. After this date and until 4:00 PM ET, on the Tuesday following the 10th weekend of the regular season, prior club has exclusive negotiating rights.
July 21st: Signing period ends for Transition Players with outstanding tenders. After this date and until 4:00 PM ET, on the Tuesday following the 10th weekend of the regular season, prior club has exclusive negotiating rights.