Feb. 20: First day for clubs to designate Franchise or Transition Players.
Feb. 27-Mar. 5: NFL Scouting Combine.
Mar. 6: Prior to 4 p.m. ET, deadline for clubs to designate Franchise or Transition Players.
Mar. 14: At 4 p.m. ET, all 2017 player contracts expire, and the 2018 league year and free agency begins.