There are no more undefeated teams left in the National Football League during the 2010-2011 season
no
As of the end of the 2007 season, there have been four teams in the NFL that have had undefeated/untied regular seasons: 1934 - Chicago Bears 1942 - Chicago Bears 1972 - Miami Dolphins 2007 - New England Patriots Of those four teams, only the 1972 Dolphins won the NFL championship and completed the season undefeated.
The Steelers have never had an undefeated season in their NFL history.
As of the 2007 season, there are 32 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.
1972
No NFL teams went undefeated in 2009.
2009
Chicago bears
no
no team in the NFL this season is undefeated but the colts and the saints were but lost a couple of games
Currently, the Indianapolis Colts and the New Orleans Saints are undefeated at 11-0.
Every year 16 NFL teams start 1-0.
Miami Dolphins and New England Patriots are the only Nfl teams to go undefeated in the regular season, but the Dolphins are the only team to go undefeated and also win the Superbowl.
In the 2009 season: the Colts and the Saints. First time in NFL history two teams have been 12-0 in the same season.
The undefeated 2009-2010: New Orleans Saints, The Indianapolis Colts, Denver Broncos, New York Giants, Minnesota Vikings.
As of the end of the 2007 season, there have been four teams in the NFL that have had undefeated/untied regular seasons: 1934 - Chicago Bears 1942 - Chicago Bears 1972 - Miami Dolphins 2007 - New England Patriots Of those four teams, only the 1972 Dolphins won the NFL championship and completed the season undefeated.