No AFL team ever went undefeated. The 1972 Miami Dolphins are the only NFL team to have ever gone undefeated.
im not sure of all them but i know that the Miami Dolphins have gone undefeated, and the New England Patriots have gone undefeated.
Patriots and the dolphins
One, the 1972 Miami Dolphins.
Only one I think...
1972 Miami Dolphins and 2007 New England Patriots.
1972
No NFL teams went undefeated in 2009.
Colts and Saints.
The two teams to go undefeated an entire season are Arsenal and Preston.t
Colts and Saints.
Dolphins