The much-anticipated Summer League matchup between the Los Angeles Lakers and Dallas Mavericks featuring Bronny James Jr. and this year's first overall pick, Cooper Flagg, more than lived up to the hype on the first day of the tournament in Las Vegas.

Cooper Flagg went 5-21 in his Summer League debut, but Jason McIntyre says it’s time to relax and let him develop.

Find best bets and props for the biggest games in sports on Thursday from the SportsLine Projection Model and top CBS Sports experts

Cooper Flagg was faced with a challenge the first day on the job by head coach Jason Kidd. In his first game, he proved he was up for the challenge.