A look at the most important dates on the calendar for NFL teams in the spring of 2015:
Saturday, March 7: Free agency begins as teams are allowed to contact and enter into contract negotiations with agents of players who will officially become unrestricted free agents at 4 p.m. on March 10.
Tuesday, March 10:Player contracts can be executed with new clubs at 4 p.m.
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Thursday, April 30: 2015 NFL Draft Round 1
Friday, May 1: 2015 NFL Draft Round 2 - 3
Saturday, May 2: 2015 NFL Draft Round 4 - 7