the New England Patriots had the best record in 2010 (14-2)
Titans.
The 1983 Washington Redskins hold the record for the best turnover differential in NFL history.
denver broncos... XD
The team with the best regular season record in 2004 was the Pittsburgh Steelers at 15-1.
pittsburgh
Chicago Bears
The Miami Dolphins, with a 17-0 record in 1972.
The 1972 Miami Dolphins posted a 17-0 record (regular season and playoffs).
the Pittsburgh steelers
A franchise record is a record that is just on a team not in the NFL
The NFL team with the worst playoff record in history is the Cincinnati Bengals, with a record of 5 wins and 14 losses.
The worst NFL team record in history belongs to the 2008 Detroit Lions, who finished the season with a record of 0-16.