July 15 — Supplemental Draft
July 15 — Deadline at 4 p.m., New York time, 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 2010 season, and such contract cannot be extended until after the Club's last regular season game.
July 22 — Signing period ends for Transition Players with outstanding tenders. Old Club has exclusive negotiating rights to these players until the Tuesday after the 10th regular season weekend.
Late July — Preseason training camps open. Clubs not permitted to open official preseason camp earlier than July 5. Veteran players cannot be required to report earlier than 15 days prior to club's first preseason game or July 15, whichever is later. The July 15 date is not applicable to clubs playing five preseason games. Except for quarterbacks and "injured" players, veterans cannot participate in any organized football activity for 10 days prior to mandatory reporting date.
July 26 — Signing period ends for Unrestricted Free Agents to whom a June 1 tender was made by Old Club. Old Club has exclusive negotiating rights to these players until the Tuesday after the 10th regular season weekend.
July 31 — During the two weekends preceding the first full weekend of preseason games, waivers requested on Friday will expire at 4 p.m., New York time, on Saturday; waivers requested on Saturday will expire at 4 p.m., New York time, on Sunday; and waivers requested on Sunday will expire at 4 p.m., New York time, on Monday.
August 6-8 — Hall of Fame Weekend, Canton, Ohio.
August 8 — Hall of Fame Game, Canton, Ohio (Cincinnati vs. Dallas).
August 10 — Deadline for players under contract to report to earn a season of free agency credit.
August 12-16 — First Preseason Weekend.
August 13 —If a Drafted Rookie has not signed with his club by this date, he may not be traded to any other club in 2010.
August 14-18 — Each Club has until five days prior to its second preseason game to provide any tendered but unsigned Exclusive Rights Player or Restricted Free Agent with written notice of the Club's intent to place the player on the Exempt List if the player fails to report at least the day before the Club's second preseason game. Such notice must also be sent to the NFLPA. Once such notice has been provided, the Club must place the player on the Exempt List. While on the Exempt List, the player will not be entitled to compensation for up to three regular-season games, depending upon the date the player reports to the Club. Any such player who fails to report prior to the deadline will be ineligible to play or receive compensation for at least three games (preseason or regular season) from the time that he reports.
August 19-23 — Second Preseason Weekend.
August 26-29 — Third Preseason Weekend.
August 31 — Roster cut-down to maximum of 75 players on Active List prior to 4 p.m., New York time.
September 1 — All tryouts on this date and for the remainder of the season must be reported to the League office.
September 2 — Fourth Preseason Weekend.
September 4 — Roster cut-down to maximum of 53 players on Active/Inactive List prior to 6 p.m., New York time. Clubs may dress minimum of 42 and maximum of 45 players and Third Quarterback for each regular season and postseason game.
September 4 — 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 take one of the following options: place player on Reserve/Physically Unable to Perform or Reserve/Non-Football Injury or Illness, whichever is applicable; ask waivers; terminate; trade; or continue to count him on Active List.
September 5 — Claiming period for players placed on waivers at the final roster reduction will expire at 12 noon, New York time.
September 5 — Beginning at 12 noon, New York time, clubs may establish a Practice Squad of eight players by signing free agents who do not have an accrued season of free agency credit or who were on the 45-player Active List for less than nine regular season games during each of any Accrued Seasons. A player cannot participate on the Practice Squad for more than three seasons.
September 9-13 — Regular Season opens.
September 10-14 — Beginning on these dates vested veterans terminated from the Active List or Inactive List (and from Reserve/Injured if the player is placed on Reserve/Injured after the beginning of the regular season) are entitled to receive, after the end of the regular-season schedule, Termination Pay pursuant to the terms of the 2006 CBA.
September 28 — Priority on multiple waiver claims is now based on the current season's standing.
October 11-14 — NFL Fall League Meeting
October 19 — Beginning the day after the conclusion of the sixth regular season weekend and continuing through the day after the conclusion of the ninth regular season weekend, 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 p.m., New York time, on the day after the conclusion of the 21-day period.
October 19 — All trading ends at 4 p.m., New York time.
October 20 — Players with at least four previous pension-credited seasons are subject to the waiver system for the remainder of the regular season and postseason.
November 16 — Signing period ends at 4 p.m., New York time, for Franchise Players who are eligible to receive Offer Sheets.
November 16 — Deadline for Clubs to sign prior to 4 p.m., New York time, their unsigned Franchise and Transition Players, including Franchise Players who were eligible to receive Offer Sheets until this date. If still unsigned after this date, such players are prohibited from playing in NFL in 2010.
November 16 — Deadline for Clubs to sign prior to 4 p.m., New York time, their Unrestricted Free Agents to whom June 1 tender was made. If still unsigned after this deadline, such players are prohibited from playing in NFL in 2010.
November 16 — Deadline for Clubs to sign prior to 4 p.m., New York time, their Restricted Free Agents to whom June 1 tender was made. If such players remain unsigned after this date, they are prohibited from playing in NFL in 2010.
November 16 — Deadline for Clubs to sign Drafted players prior to 4 p.m., New York time. If such players remain unsigned after this date, they are prohibited from playing in NFL in 2010.
December 31 — Deadline at 4 p.m., New York time, for waiver requests in 2010, except for "special waiver requests" which have a 10-day claiming period, with termination or assignment delayed until after the Super Bowl.
January 8-9 — Wild Card Playoff Games.
January 9 — Assistant coaches under contract to playoff clubs that have byes in the Wild Card weekend may be interviewed for head coaching positions through the conclusion of the Wild Card games.
January 15-16 — Divisional Playoff Games.
January 23 — AFC and NFC Championship Games.
January 29 — Senior Bowl, Mobile, Alabama.
January 30 — AFC-NFC Pro Bowl, Honolulu, Hawaii.
February 6 — Super Bowl XLV, North Texas.
February 7 — Waiver system begins for 2011. A 24-hour claiming period will be in effect through the Friday prior to the last regular season game (waivers requests made on Friday and Saturday of each week will expire at 4 p.m., New York time, on the following Monday.) Players with at least four previous pension-credited seasons that a club desires to terminate are not subject to the waiver system until after the trading deadline.
February 23- March 1 — Combine Timing and Testing, Lucas Oil Stadium, Indianapolis, Indiana.