It appears that when a sports stadium reaches 20 years, it's too old.
At least in Atlanta.
First the Falcons and now the Braves are moving out of their 20-year old home.
The Atlanta Braves are now leaving Downtown Atlanta and moving to Cobb County.
Why?
For one, here is a map of who buys Braves tickets and you can see, they reside north of the city.