It's the offseason - and if you aren’t like some of us who never stop playing fantasy baseball you may be looking to start up a new league. And so, if you don’t want to play in either a Fantrax run classic draft or best ball, or check out the new leagues that I’m starting up, we’re going to take a bit here to look at how to think about setting up a league. (Of note – many of these settings apply to all Fantrax sports, not just baseball.)Now, commissioning a league is a lot more than getting the settings right – but that…