As long as they stay in Chicago-land. Indiana is a mistake. Hammond is by Gary. It's all by the Southside. You don't want go there. I even knew when I was 5-7 years old ... stay away from the southside. That's real ghetto.
Chicagoland is the name of the metropolitan area serving Chicago and includes Indiana cities such as Gary and Hammond. It would still retain Chicago name and city will still have influence with them even if in Indiana. Both NY teams play in NJ for similar reasons…