FYI, here's what all goes down at 4pm EST, 3pm CST, 2pm MST, 1pm PST on March 9:
March 9 -- Prior to 4:00 p.m., New York time, clubs must exercise options for 2017 on all players who have option clauses in their 2016 contracts.
March 9 -- 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.
March 9 -- Prior to 4:00 p.m., New York time, clubs must submit a Minimum Salary Tender to retain exclusive negotiating rights to their players with expiring 2016 contracts and who have fewer than three accrued seasons of free agency credit.
March 9 -- Top-51 Begins. All clubs must be under the 2017 salary cap prior to 4:00 p.m., New York time.
March 9 -- All 2016 player contracts will expire at 4:00 p.m., New York time.
March 9 -- The 2017 league year and free agency period begin at 4:00 p.m., New York time.
The first day of the 2017 league year will end at 11:59:59 p.m., New York time, on March 9. Clubs will receive a personnel notice that will include all transactions submitted to the league office during the period between 4:00 p.m., New York time, and 11:59:59 p.m., New York time, on March 9.
March 9 -- Trading period for 2017 begins at 4:00 p.m., New York time, after expiration of all 2016 contracts.