I'm gonna use OOTP 16, because that's the only version of OOTP I have, and I don't want to buy OOTP 19 right now. I really hope this thread is in the correct place, because there's no OOTP 16 sim section.
The Massachusetts Baseball League (MBL) is a fictional independent league with teams spread across Massachusetts. The league will start in 1990 with 8 teams. 4 in the east, 4 in the west.
There is also a minor league, because why not? Same format. 8 teams, 4 in each divisions.