Haha, I never saw it that way. "Exit League" make more sense?
That sounds like you're quitting the league, though, doesn't it... any suggestions on a better label for that button?[/quote]
I actually think the.. league encapsulation is a little bit strange. There's a little bit of a can of worms in my thoughts, which is generally the case, but I will try to keep it reigned in a little bit. :)
First, I think you're going to quickly get to a point where you want a system-wide forum. The encapsulation of the forums does not provide for as rich of a user community, IMO.
But, on to the question at hand. To directly answer it, I would probably have a "more leagues" link or something like that. Or perhaps on the dropdown have each of your leagues listed, along with "join new league" or something. That would also allow you to do some sort of indicators, such as the new message indicator, about the state of the league. An indicator for a new game to watch, for a league where you need to scout your opponent, etc.