Originally Posted by Biggio509
IIRC, only the team file needs to be altered. The batting, pitching, and fielding files only use the team ID not the league. The team files need to be altered because there to match the structure of the league.
Ideally, 19th century play would be able to fold and create new leagues automatically but that would be a major recode of stuff I that has been there forever.
I think you do have to change the league id in the batting, pitching, fielding. Because if you dont players will have to be drafted and wont go to their original teams.