I did it for you all. I watched every broadcasted U17 match that featured an American MLS team. That means I was able to watch these clubs, some multiple times: Atlanta, LAFC, NYCFC, Seattle, Minnesota, LA Galaxy, NYRB, San Jose, Philadelphia, Columbus, Austin, Charlotte, Cincinnati, DC United, Miami, Houston and Real Salt Lake.
The following clubs did not get a broadcast at the U17 level: New England, Dallas, Orlando, KC, Portland, St. Louis, Colorado, Nashville or Chicago.
The U17 level consists of players born in 2005, 2006 and there were numerous players born in 2007 that were playing up a level.