Colts and Saints.
22324 undefeated teams
No NFL teams went undefeated in 2009.
1972 Miami Dolphins, that is it
Colts and Saints.
There are no more undefeated teams left in the National Football League during the 2010-2011 season
2009
Dolphins back in the day. 71 I believe
AnswerColts, Broncos and Saints as of 10-26-09.
Currently the Indianapolis Colts and the New Orleans Saints
2007 Patriots 1972 Dolphins
There are currently 34 Teams in the NFL.
So far, only two: The 1972 Miami Dolphins and the 2007 New England Patriots, the only two NFL teams to have an undefeated season. The Dolphins won 14 games to claim an undefeated season, while the Patriots became the first team to go undefeated in a 16 game season. For the 2009 season, two teams could be added to that list: The Indianapolis Colts (currently 14-0) and the New Orleans Saints (currently 13-1). Only three teams in NFL history have started the season 14-0, and those include the 1972 Dolphins, the 2007 Patriots, and the 2009 Indianapolis Colts.