After  reviewing this week's resources, please discuss objectives on how you  would create a new MLS team for a city near you (it should be a large  enough city to support an MLS team). Make sure that MLS does not already  have a team in the city you choose. Why am I asking that you do this on  Major League Soccer? Because it is an expanding league in North  America, whereas the NBA, MLB, NHL and NFL are beyond their expansion  years (they expanded decades ago and are considered established now).  Discuss some objectives of your new MLS team, discuss the following two  areas also:

• Potential conflicting territorial rights with a current team (and solutions to this).
• Perceived supporter fan base.

Look at this article of some remaining large markets

AND 

Take a look at this article of the MLS Expansion Process