The 95-96 Chicago Bulls went 72-10. That's the best regular season in NBA history.
In five seasons from 1986-1990, Ryan posted a 43-38-1 regular season record. His playoff record was 0-3.
The Dallas Cowboys posted a 9-and-7 record during the 2005 regular season.
The Saints posted a 7-and-9 record during the 2007 regular season.
The 1972 Miami Dolphins posted a 17-0 record (regular season and playoffs).
The Saints posted an 11-and-5 record during the 2010 regular season.
The Dallas Cowboys posted an 11-and-5 regular-record during the 2009 season. They finished 1-1 in the postseason.
The Cowboys posted a 6-and-10 record during the 2010 regular season.
The Falcons posted a 7-and-9 record during the 2001 regular season. They did not qualify for the playoffs.
Their regular season record in 2007 was 10-6
The Bengals posted a 10-and-6 regular season record, but were eliminated from the playoffs by the New York Jets in the wild-card round.
The Cowboys 2007 regular season record was 13-3.
In 2004, the Steelers had a 15-1 regular season record.