2013 National Football League Important Dates (via NFL Public Relations)(Dates Subject To Change)February 9-10--Regional Combine, Orange Coast College-Lebard Stadium, Los Angeles, CaliforniaFebruary 16--Regional Combine, Methodist Training Center (Texans), Houston, TexasFebruary 17--Regional Combine, Cleveland Browns Training Facility, Cleveland, OhioFebruary 20-26--Combine Timing and Testing, Lucas Oil Stadium, Indianapolis, Indiana.<!--more-->March 2-3--Regional Combine, Atlantic Health Jets Training Facility, New York/New JerseyMarch 9--Regional Combine, One Buccaneer Place, Tampa, FloridaMarch 10--Regional Combine, Halas Hall (Bears), Chicago, IllinoisMarch 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--Prior to 4:00 p.m., New York time, clubs must exercise options for 2013 on all players who have option clauses in their 2012 contracts.--Prior to 4:00 p.m., New York time, clubs must submit Qualifying Offers to their Restricted Free Agents with expiring contracts and to whom they desire to retain a Right of First Refusal/Compensation.--Prior to 4:00 p.m., New York time, clubs must 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.--All 2012 player contracts will expire at 4:00 p.m., New York time.--Top-51 Begins. All clubs must be under the Salary Cap prior to 4:00 p.m., New York time.--The 2013 League Year and Free Agency period begin at 4:00 p.m., New York time.--Trading period begins at 4:00 p.m., New York time, for 2013 after expiration of all 2012 contracts.March 16-17--Regional Combine, Atlanta Falcons Training Facility, Atlanta, GeorgiaMarch 17-20--Annual League Meeting, The Biltmore, Phoenix, Arizona.March 23-24--Regional Combine, Virginia Mason Athletic Center (Seahawks), Seattle, WashingtonMarch 23-24--Regional Combine, Baltimore Ravens Training Facility, Baltimore, MarylandApril 7-8--Super Regional Combine, Cowboys Stadium, Dallas, TexasApril 25-27--NFL Draft, New York City, New York.May 20-22--NFL Spring League Meeting, Hyatt-Harborside, Boston, Massachusetts.September 5, 8-9--NFL Kickoff 2013September 29--NFL International Series, London, Pittsburgh Steelers vs. Minnesota VikingsOctober 27--NFL International Series, London, San Francisco 49ers vs. Jacksonville Jaguars