ClanBase has recently started its cup signups for the Fall Season. The signups will stay open till the 16th of September and will include:

The Cup rules have been published and can be found under each Cup's menu. Furthermore, we are currently looking for people who are interested in helping out with the cups in terms of refereeing as well as providing coverage.

Links: ClanBase, Twitter announcements

UPDATE! The OC signup period has been increased to the 16th of September