Sept. 20 - 4 p.m. deadline for any club that designated a franchise player to sign him to a multiyear contract or extension. After this date, the player may sign only a one-year contract with his prior club for the 2011 season. That contract may not be extended until after the club's last regular-season game.
Oct. 10-12 - NFL fall owners meetings, Houston.
Jan. 1, 2012 - Regular season ends.
Jan. 7-8 - Wild-card playoffs.
Jan. 14-15 - Divisional playoffs.
Jan. 22 - Conference championships.
Jan. 29 - Pro Bowl, Honolulu.
Feb. 5 - Super Bowl, Indianapolis.
Feb. 2228 - NFL combine, Indianapolis.