Nice app, and could compete with the (rather OS 9-ish) SerieFoot if it came with some pre-configured leagues and competitions.
Talking of OS 9, why is it packaged as a .sit file? What's wrong with a natively-supported OS X format, such as zip or dmg?
Stuffit is no longer installed by default on Macs and really should be consigned to the trash can of yesteryear.