Not sure exactly what you are asking, you might be referring to the information provided by Teanah (IW Dev) in this thread: Upcoming improvements for Ghosts eSports
It's not League Play, but it does apply the recognized competitive ruleset to an existing playlist.
You can play with esports rules as much you want, in private match. No need to waste a public playlist slot on them.
ya i know in private u can. waste pub playlist on it? lol ya what a waste to have a better game play for pubs.