Answer:
It would bring more jobs and people to Atlanta.
Step-by-step explanation:
The phrase 'Big-League ciity' refers to a city that possess strong teams in important sport leagues (IN USA this would be NBA, NFL, and MBL).
This type of condition usually make the city become a target destination from tourists from another cities. These tourists will spend money for the businesses in Atlanta during that time (maybe from buying merchandise, eating foods, staying at local hotels, etc)
As a result, many investors will be interested to put a lot of capital in the city and it will bring more jobs to the people of Atlanta.