The end of the Super Bowl marks the unofficial start to the NFL offseason and there's a number of important dates to come that you will want to keep track of. So be sure to bookmark this page for reference.

February 20-26 - NFL Combine Timing and Testing, Lucas Oil Stadium, Indianapolis, Indiana.

March 9-11 - Clubs are permitted to enter into contract negotiations with certified agents of players who will be Unrestricted Free Agents at the end of the current League Year.

March 12 - The new league year begins at 4pm. That means free agency and trading can commence. Prior to that time, teams must do the following

- Exercise options for 2013 on all players who have option clauses in their 2012 contracts

- Submit Qualifying Offers to their Restricted Free Agents with expiring contracts and to whom they desire to retain a Right of First Refusal/Compensation

- Submit a minimum salary offer to retain exclusive negotiating rights to their players with expiring 2012 contracts and who have fewer than three seasons of free agency credit.

- Be under the Salary Cap

April 25-27 - The NFL Draft takes place at Radio City Music Hall in New York City

May 20-22 - NFL Spring League Meeting, Hyatt-Harborside, Boston, Massachusetts.

September 5, 8-9 - NFL Kickoff 2013