Jan. 15 -- Deadline for underclassmen to petition for special eligibility for the 2013 NFL draft.
Jan. 19 -- East-West Shrine Game, Tropicana Field, St. Petersburg, Fla.
Jan. 20 -- AFC and NFC championship games.
Jan. 27 -- Pro Bowl, Aloha Stadium, Honolulu; An assistant coach, whose team is in the Super Bowl and who has previously interviewed for another club's head coaching job, may have a second interview with the club no later than the Sunday preceding the Super Bowl.
Feb. 3 -- Super Bowl, Superdome, New Orleans
March 9-11 -- Clubs may enter negotiations with certified agents of players who will be unrestricted free agents at end of league year.
March 12 -- Before 4 p.m. EDT, clubs must exercise options for 2013 on all players who have option clauses in their 2012 contracts; 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; clubs must submit a minimum salary offer to retain exclusive negotiating rights to players with expiring 2012 contracts and who have fewer than three seasons of free agency credit; all 2012 player contracts expire. All clubs must be under the salary cap. The 2013 league year, free agency and trading period begins at 4 p.m. EDT.
March 17-20 -- Annual league meeting, Phoenix
April 25-27 -- NFL draft, New York
May 20-22 -- NFL spring league Meeting, Boston
Sept. 5, 8-9 -- 2013 NFL season begins.
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