Hey I was thinking about the keystone league and realized that there are not enough western PA teams. How could you leave out the oil region?
Titusville was the beginning of the oil industry in the United States. A team could be called the Titusville Drillers. It has a ring I think
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Pittsburgh Three Rivers(or Keystones)?
Johnstown Johnnies(A real baseball name, not my idea)
Oil City Oilers(you already did this for me, but could be used as a minor team)
Keeping up with the oil theme, the Oil Creek Boomers(Oil creek valley is a region the encompasses Titusville and Oil City. If you used one of them, this one might not make sense.)
Franklin Knights(No real historical significance, but you did the logo for me.)
Indiana Miners (Had a big coal mining industry in the early 20th century.)
State College Lions?
New Castle Pyros?(A big player in the fireworks industry)
There is also a lot of native american history in SW PA. I'm not sure about a city and nickname.
Just some ideas
I'd be happy with anything you come up with.