The oldest team is baseball is the Indianapolis Clowns.
Rutgers and Princeton are credited with playing the first college football game back in 1869. Both still field teams.
Yes still with seattle
The Cardinals are the third oldest team in Baseball. 1882. This answer is in regard to the same business entity regardless of name change and relocation. The Braves are the oldest.
cubs and yankees
The Cincinnati Reds, is recognized as the first "professional" baseball team.
The oldest team who still plays in their original city is the Green Bay Packers, est 1921.
Phillies or Boston
In 1869 the Cincinnati Red stockings became the first major league baseball team.
Red sox or Yankees
The oldest AHL team that still exists is the Hershey Bears. They were founded in 1938.
The only two founding members left in the NFL are the Chicago Bears and the Arizona Cardinals. The oldest team with the same name still playing in their original location is the Green Bay Packers.
Tie. Braves and Cubs. 1876 to present.
1492 The Blue Jays are the oldest team in MLB history. They were playing before Christopher Columbus even explored the United States.
Cincinnati Reds (originally known as the Cincinnati Red Stockings), who became the first fully professional baseball team in 1869.
Rochester Red Wings, since 1899.
the Texas rangers
I think it is the New York Yankees
The oldest(still operating as of 2012)franchise in American sports history began as the Boston Red Stockings in 1871,formed after the Cinncinati team disolved. Manager Harry Wright,brother George (along with 2 players)moved to Boston,teamed with Iyers Adams and began the Boston Red Stockings. Today you know them as the Atlanta Braves.My source: Baseball Almanac