Cooper Flagg and Bronny James duked it out in the No. 1 pick's NBA Summer League debut on Thursday night in Las Vegas, combining for 18 points.

Dallas Mavericks' Cooper Flagg made his NBA Summer League debut vs. the Los Angeles Lakers and guard Bronny James in Las Vegas on Thursday night. Flagg was uni

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

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.

League does not typically feature a star-caliber matchup, but Thursday's battle between the Los Angeles Lakers and Dallas Mavericks was as close

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,

Bronny James matched up with Cooper Flagg in their summer league game, and later revealed how he feels about the No. 1 NBA Draft pick.

On the first attempt, Bronny ended up fouling Flagg, so the Mavericks had the ball to inbound on the sideline. The ESPN cameras zoomed in on the Lakers' second-year guard and the Dallas No. 1 overall pick having a quick conversation.

Thursday's matchup between the Los Angeles Lakers and Dallas Mavericks is one of the most anticipated Summer League games of all time.