The way the Moderator League works is the same number of players as we have mods request to join it each month. Every month a totally new group of different players need to request to join it and we do not currently have enough different players interested in playing the leagues to accomplish this.
As we all know very few of those registered for the other leagues now are able to complete their 5 games. In addition many of the Moderators do not have the time to spend on the site to ensure they will be able to complete theirs and some are just not interested in playing the league games.
Because of this the decision was made to discontinue this particular league at least until such time as enough interest was shown by both players and Moderators.