I suspect most people aren't subbing/following communities on Lemmy. So post the community or topic you want to see pop off. And reader(that's you) if you are interested in that community click the link and follow it.
Keep it up. I don't much care about off-season news or anything, but I'll probably join the discussion when it comes to highlights and game threads. These upcoming seasons for each sport will play a big part in how active the community will be going forward I think. Unfortunately a bunch of traffic was dominated by the presidential election last year so other niche topics should gain more traction this year.