Here is the link to the USL site's article. https://www.uslchampionship.com/news_article/show/1110593 There will be 5 groups of 4 and 3 groups...
http://www.espnfc.us/story/3024486/bayern-munich-us-international-striker-julian-green-to-sign-for-stuttgart Let's see if this reignites the fire.