Clayton trained at DeVeau's in Indiana, where he as a five-time JO National qualifier and 2016 P&G (US) Championship qualifier. He excels at the Still Rings, having placed in the top 7 at JO Nationals the last four years.
Frack trained at Parkettes and was another 2016 P&G Championship qualifier. He finished 4th on PH at that meet.
Pantazis heads to PSU from Nevada, where he trained at Gymnastics Nevada. At the 2016 P&G Championships, he was 3rd AA, 2nd on VT and 7th on FX (check our his "Biles" in the video in the press release below).
Link: Release