A look at some key dates on the NFL calendar following Super Bowl XLIII in Tampa on Feb. 1:

Feb. 5 -- First day that teams may designate franchise or transition players

Feb. 18-24 -- NFL combine

Feb. 19 -- Deadline for teams to designate franchise or transition players

Feb. 26 -- Deadline for teams to qualify offers to restricted free agents

Feb. 27 -- Free agency begins

March 16 -- First day that clubs may conduct offseason workouts or minicamps

March 22-25 -- Annual league meeting

April 25-26 -- NFL Draft