The 2020-21 campaign didn't end the way Chiefs Kingdom had hoped, but preparations for next season will be underway soon enough. Here's a quick look at some important dates on the NFL calendar to keep in mind over the next few months.

It's important to note that this is a preliminary list and remaining offseason dates will be announced at a later time. Dates could be subject to change, as well.

February 23 – First day for clubs to designate Franchise or Transition players

March 9 – Prior to 3:00 p.m. CT, deadline for clubs to designate Franchise or Transition players

March 15 – 17 – 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 2020 player contacts at 3:00 p.m. CT on March 17

March 17 – The 2021 league year and free agency period begin at 3:00 p.m. CT

April 19 – Teams with returning head coaches can begin offseason workouts

April 23 – Deadline for Restricted Free Agents to sign offer sheets

April 29 – May 1 – 2021 NFL Draft