Feb. 24-March 2 — NFL scouting combine, Indianapolis.
Feb. 25 — First day for clubs to designate franchise or transition players.
March 10 — Deadline for clubs to designate franchise or transition players before 4 p.m. EDT.
March 18 — Free agency, trading periods begin, 4 p.m. EDT.
March 29-April 1 — Annual league meeting, Palm Beach, Fla.
April 17 — Deadline for restricted free agents to sign offer sheets.
April 23-25 — NFL draft, Las Vegas.
May 19, 2020 — Spring owners meeting, Marina del Rey, California.
Late July — Training camps open.
Aug. 6 — Hall of Fame game, Canton, Ohio.
Aug. 8 — Hall of Fame inductions, Canton, Ohio.
Sept. 5 — Final roster cutdown to 53.
Sept. 10 — Kickoff game to open regular season.
Sept. 13 — First full regular-season schedule.
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