March 25-28 - Owners meetings, Palm Beach, Fla.
April 26-28 - NFL draft, New York.
Late July - Training camps open.
Aug. 9-13 - Preseason openers.
Sept. 5 - Regular-season opener.
Sept. 9-10 - First full regular-season weekend.
Daniel Carlson agreed to a new four-year contract with the Raiders, his agent announced Wednesday night, and the extension is worth $18.4 million, which includes a $4 million signing bonus and $10.2 million guaranteed, NFL Network's Tom Pelissero reported.