The rule will be tested during Summer League and could be implemented in the regular season if successful. It’s the only major change this year. The Summer League will feature all 30 NBA teams, each playing at least five games. After the first four matchups, the top four teams will advance to the playoffs.

Dallas Mavericks' Cooper Flagg makes his NBA Summer League debut vs. the Los Angeles Lakers and guard Bronny James in Las Vegas on Thursday July 10, and will be broadcast on ESPN at 5 p.m. PT. The hig