The NFL season had two bye weeks in the 1993 season.
The 1982 season was shortened by a strike and lasted for nine weeks.
There are very few weeks in the season when every NFL team is playing in the same week. The last time all 16 NFL home teams won in the same week was never.
12/16/12
Probably 2011, when the NFL season started before the end of the MLB season.
The last regular season game of the current NFL season is on December 29, 2013.
As of the end of the 2013-2014 NFL season Jon Weeks is 28 years old.
Randy Moss was traded to Minnesota after they completed their bye week & before New England had their bye week, so if he doesn't get injured, he will play all 17 weeks in the 2010 season.
Week 12 of the 2008-2009 NFL season. November 23, 2008.
Broncos
No NFL teams went undefeated in 2009.
The NFL added bye weeks to the schedule in 1990. Each team plays 16 regular season games and has one weekend off.
A season in the NFL comprises a five-week period of preseason games, a regular season encompassing 17 weeks (16 games plus one bye week per team), and four weeks of playoffs. An NFL regular season of four months is shorter than Major League Baseball (six months) and the National Hockey League (22 weeks).