Feb. 24-March 2: NFL Scouting Combine, Indianapolis

Feb. 25: Deadline for clubs to designate franchise and transition players

March 4: Deadline for submission of qualifying offers by clubs to their restricted free agents whose contracts have expired and to whom they desire to retain a right of first refusal/compensation

March 4: Deadline for clubs to submit offer of minimum salary to retain exclusive negotiating rights to their players with fewer than three seasons of free agency credit whose contracts have expired.

March 5: Free agency begins

March 5: Trading period begins

March 21-24: NFL annual meeting, Orlando, Fla.

April 22-24: Draft, New York

April 15: Deadline for signing of offer sheets by restricted free agents.

April 21: Deadline for old club to exercise right of first refusal to restricted free agents.

May 24-26: NFL spring meeting, Dallas

June 1: Deadline for old clubs to send tender to unsigned unrestricted free agents to receive exclusive negotiating rights for rest of season if player is not signed by another club by July 22.

June 1: Deadline for old clubs to send tender to unsigned restricted free agents or to extend qualifying offer to retain exclusive negotiating rights.

June 15: Deadline for old clubs to withdraw original qualifying offer to unsigned restricted free agents and still retain exclusive negotiating rights by substituting tender of 110 percent of previous year's salary.

June 27-30: NFL Rookie Symposium, Carlsbad, Calif.

Mid-July: Training camps open

July 22: Signing period ends at 4 p.m. for unrestricted free agents who received June 1 tender.

Aug. 8: Pro Football Hall of Fame Game: Cowboys vs. Bengals, 8 p.m. ET, Canton, Ohio

Aug. 12-16: First preseason weekend

Aug. 31: Roster cutdown to maximum of 75 players.

Sept. 4: roster cutdown to maximum of 53 players

Sept. 9-13: Kickoff 2010 Weekend