2007 Patriots
1972 Dolphins
No NFL teams went undefeated in 2009.
2009
12 teams have gone undefeated with Indiana the last in 1976 1976 Indiana Hoosiers (took national title as well) Here's your answer: http://sportsillustrated.cnn.com/2005/basketball/ncaa/02/18/bc.bkc.unbeatenhoosiers.ap/ 12 teams have gone undefeated with Indiana the last in 1976. The Connecticut Lady Huskies went undefeated last season. The 2008-2009 season as well.
There is one undefeated team as of November 1, 2008 and that is the Tennessee Titans at 7-0.
Division 2, Gannon University in Erie, PA.
In the 2009 season: the Colts and the Saints. First time in NFL history two teams have been 12-0 in the same season.
They were in the 2009 season if you mean have they ever beat the three teams in their division twice.
so far only (2)Kentucky and (1)Texas( as of January 11 2010)
At present the Vikings have a slight edge from the two teams' 2009 season. In 2011, the Packers are currently undefeated.
Well you could say 3 teams are doing the bestIndianapolis Colts are undefeated with 13 wins and 0 lossesNew Orleans Saints are undefeated with 13 wins and 0 lossesMinnesota Vikings are 11 wins and 2 losses
Through the 2009 season, 0. Their best season was 2001 when they went 11-1 and won the Pac 10 title. They wound up 3rd in the final rankings behind Miami and Florida.
The University of Alabama and the University of Oklahoma are tied for the most with 30 ten-win seasons. This is including the 2009 season.