Thanks for the comments
I was thinking of putting SOMETHING in the middle, perhaps a baseball but it didn't sound quite right on it's own - the "A" should be the icing on the cake
And the batter idea is a good place to start for making the alternative Windmills logo. I have decided to have two logos for each team (like I did with Barca), one quite simple and another with some graphics involved.
Muppetus Galacticus