Here's a quick look at some important dates on the Patriots / NFL calendar.

JUNE

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.

June 16 - 30

Rookie Transition Program to be held at individual clubs.

JULY

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 2019 season.

July 22

Signing period ends for Unrestricted Free Agents to whom a "May 7 Tender" was made by prior club. After this date and until 4:00 p.m., New York time, on the Tuesday following the 10th weekend of the regular season, prior club has exclusive negotiating rights.

Signing period ends for Transition Players with outstanding tenders. After this date and until 4:00 p.m., New York time, on the Tuesday following the 10th weekend of the regular season, prior club has exclusive negotiating rights.

End of July

Patriots Training Camp opens. Dates and times TBA.

AUGUST

August 1

Hall of Fame Game

August 6

Deadline for players under contract to report to their clubs to earn an accrued season for free agency.

August 8

Patriots open the preseason at the Lions at 7:30pm ET.

If a drafted rookie has not signed with his club by this date, he cannot be traded to any other club in 2019, and may sign a player contract only with the drafting club until the day of the Draft in the 2020 league year.

August 31

Prior to 4:00 p.m., New York time, clubs must reduce rosters to a maximum of 53 players on the Active/Inactive List.

Simultaneously with the cut-down to 53, clubs that have players in the categories of Active/Physically Unable to Perform or Active/Non-Football Injury or Illness must select one of the following options: place player on Reserve/Physically Unable to Perform or Reserve/NonFootball Injury or Illness, whichever is applicable; request waivers; terminate contract; trade contract; or continue to count the player on the Active List.

SEPTEMBER

September 1

Claiming period for players placed on waivers at the final roster reduction will expire at 12:00 noon, New York time.

Upon receipt of the Personnel Notice at approximately 1:00 p.m., New York time, clubs may establish a practice squad of 10 players.

September 5

At 12:00 a.m., New York time, the Top 51 Rule expires for all NFL clubs.

September 5 - 8

Regular Season Week 1

September 8

Patriots open the regular season at home against the Pittsburgh Steelers at 8:20pm ET.

OCTOBER

Mid-October

Beginning on the sixth calendar day prior to a club's seventh regular season game (including any bye week) clubs are permitted to begin practicing players on Reserve/Physically Unable to Perform and Reserve/Non-Football Injury or Illness for a period not to exceed 21 days. Players may be activated during the 21-day practice period, or prior to 4:00 p.m., New York time, on the day after the conclusion of the 21-day period, provided that no player may be activated to participate in a Week 6 game.

At any time after six weeks have elapsed since a player was placed on Reserve/Injured or Reserve/Non-Football Injury/Illness, each club is permitted to designate two players for return from either list to the club's 53-player Active/Inactive List.

A player who is "Designated For Return" must have suffered a major football-related injury or non-football-related injury or illness after reporting to training camp and passing his preseason physical examination and must have been placed on the applicable Reserve List after 4:00 p.m., New York time, on the day after the final roster reduction.

A player whom the club wishes to designate for return is permitted to return to practice for a period not to exceed 21 days. The club is required to notify the League office that the player has been "Designated For Return" on the first day the player begins to practice. The player cannot be returned to the Active/Inactive List until eight weeks have elapsed since the date he was placed on Reserve.

October 15-16

Fall League Meeting, Fort Lauderdale, Florida.

October 29

All trading ends for 2019 at 4:00 p.m., New York time. 

October 30

Players with at least four previous pension-credited seasons are subject to the waiver system for the remainder of the regular season and postseason.