March 8 — Deadline for clubs to designate Franchise or Transition Players
March 14-16 — Clubs are permitted to contact, and enter into contract negotiations with, the certified agents of players who will become unrestricted free agents upon the expiration of their 2021 player contracts on March 16.
March 16 — The 2022 League Year and Free Agency period begins at 4:00 p.m. ET. Teams can also execute trades at this point.