NFL Calendar

April 22 - Deadline for restricted free agents to sign offer sheets.

April 28-30 - NFL draft, Chicago.

May 6-9 or May 13-16 - Teams may hold rookie minicamps.

May 23-25 - Spring league meeting, Charlotte, N.C.

June 19-25 - Rookie symposium, Aurora, Ohio.

Sept. 8 - Season opener, Carolina at Denver.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP_NFL