I think the sports boards should be set up by the sport....
that is, a forum for each sport, the way each TV sitcom has its own board...that would make it easier when looking for the sport you want to comment on.
They could be set up in alphabetical order, rather than popularity, that way no one could be upset about where their sport is on the forum.
ex: Baseball
Basketball
Football
Golf
Hockey
Soccer
and at the bottom:
Track and field/Olympics
X-games/Extreme sports
and "Other" for anything else thats left over