APRIL 4:Clubs that hired a new head coach after the end of the 2015 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 28 - 30: 2016 NFL Draft, Chicago, Illinois.
APRIL 30:After the final selection in the Draft has been made, clubs may begin signing Undrafted Free Agents who were eligible for the 2016 Draft.
MAY 6 - 9: First weekend after the NFL Draft: clubs may elect to hold their one three-day post-draft rookie minicamp from Friday through Sunday or Saturday through Monday.
MAY 9: Rookie Football Development Program Begins.
MAY 13 - 16:Second weekend after the NFL Draft: clubs may elect to hold their one three-day post-draft rookie minicamp from Friday through Sunday or Saturday through Monday.
MAY 20 - 23:NFLPA Rookie Premiere. Invited Rookies (typically, first and/or second-round selections) must be permitted by their respective clubs to attend. Such players are unavailable for offseason workouts, OTA days, and minicamps during this period.
MAY 23, 24 & 26: Patriots Organized Team Activities (closed to the public).
MAY 23 - 25: NFL Spring League Meeting, Charlotte, North Carolina.
JUNE 1 - 2:Patriots Organized Team Activities (closed to the public).
JUNE 1: Deadline for prior club to send "June 1 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 2: For any player removed from the club's roster or whose contract is assigned via waivers or trade on or after June 2, any unamortized signing bonus amounts for future years will be included fully in Team Salary at the start of the 2017 League Year.
JUNE 7 - 9: Patriots Mandatory Mini-Camp (closed to the public).
JUNE 13,14 & 16: Patriots Organized Team Activities (closed to the public).
JUNE 15:Deadline for club to withdraw qualifying offer to Restricted Free Agents and still retain exclusive negotiating rights by substituting "June 15 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).
JUNE 19 - 25: Rookie Symposium, Aurora, Ohio.
JULY 15: At 4:00 p.m., New York time, deadline for any club that designated a Franchise Player to sign such player to a multiyear contract or extension. After this date, the player may sign only a one-year contract with his prior club for the 2016 season, and such contract cannot be extended until after the club's last regular season game.
Patriot Training Camp - The official start date for Patriots Training Camp has not yet been set. Historically, Patriots Training Camp takes place from late July to early August.