In a highly anticipated NBA summer league matchup, Bronny James played great defense against No. 1 overall pick Cooper Flagg

LAS VEGAS — Thomas & Mack Center was buzzing on Thursday night, when No. 1 overall pick Cooper Flagg and the Dallas Mavericks took on Bronny James and the Los Angeles Lakers.

Taking instructions from Lakers star LeBron James, Bronny James finishes with 14 points in the Lakers' Summer League victory over the New Orleans Pelicans.

Flagg's debut will signify a new era for Dallas basketball. It's been just over five months since the franchise traded cornerstone Luka Dončić to the Lakers in a deal that brought back star big man Anthony Davis.

Dallas Mavericks No. 1 pick Cooper Flagg made his highly-anticipated NBA Summer League debut against Bronny James and the Los Angeles Lakers, and the game lived up to the hype. Flag finished the game with 10 points,

Frenzy became bedlam on the next play. Flagg talked trash to James, ran to his spot on the left wing, pivoted off the catch and nailed the shot before turning to exult with his future Mavericks varsity teammates, who cheered him on decked out in casual wear from their courtside seats.

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.

The Celtics released their Summer League roster on Tuesday but made one major addition before Friday’s opener against the Grizzlies. Boston brought aboard free agent center Charles Bassey to the roster in a surprise move,