Cleveland Brown
Houston Oilers
ANSWER
There have been a lot more than two.
Technically, the Baltimore Ravens are the old Cleveland Browns franchise, but the NFL considers the Browns' history to have remained in Cleveland from the original team and treats the Ravens as a "new" team.
The Patriots were originally known as the Boston Patriots but now play about halfway between Boston and Providence, Rhode Island. They're still considered Boston's home team, though.
Three NFL teams were moved to the AFC in 1970 ... the Baltimore Colts, Pittsburgh Steelers, and Cleveland Browns.
No NFL teams went undefeated in 2009.
Ted Marchibroda. Same team in different cities - he was the coach of the Baltimore Colts between 1975-1979 and the Indianapolis Colts between 1992-1995. Two NFL teams in the same cities - Baltimore Colts and Baltimore Ravens between 1996-1998.
There are two NFL teams representing Pennsylvania. You have the Pittsburgh Steelers and the Philadelphia Eagles.
No
Dallas and Indy
There are 30 teams in the major league including two in New York, two in Chicago and two in the Los Angeles metro area. That means their are 14 cities, or metro areas, that have the 30 teams. All other cities in the US do not have major league teams. You do the math.
The only NFL team in Illinois is the Chicago Bears.
Colts and Saints.
Ohio, Pennsylvania, Texas and Missouri all have two teams each.
There are two teams that play in the state of Ohio. These two teams are The Cleveland Browns and the Cincinnati Bengals. These two teams are very popular in the nfl.
Chicago and denver
The Carolina Panthers and Jacksonville Jaguars.