Actually, all of the major league teams are. I started a historical league with Gambo rosters in 1901, and added a few minor league systems, which are unaffiliated, with financials set on.
I've tried to run a few teams and have found that I have no money to work with. So when I want to make improvements, or trades, I find that I cannot afford contracts of people I'm trying to trade for. It's incredibly frustrating. The interesting thing is that the minor leagues, filled with fictional players don't have the payroll problems that I have in the Major Leagues. I'll try it again with the Lahman database and see if the game is rating the Gambo version of players higher than the Lahman version. At this point, it's interesting...
