The Philadelphia 76ers take on the Dallas Mavericks in the summer league on Wednesday on the second night of a back-to-back.

After Richaun Holmes was released by the Washington Wizards, the Dallas Mavericks' Daniel Gafford trade has never looked like more of a win.

This article was originally published on www.si.com/nba/mavericks as Cooper Flagg’s trainer opens up after Mavericks pull him ...