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.

Cooper Flagg Gets Honest On Disappointing Summer League Debut originally appeared on Athlon Sports. Duke star Cooper Flagg finally made his NBA debut, helping the Dallas Mavericks take down the Los Angeles Lakers 87-85 in their first game of the Las Vegas Summer League.

We've got a big summer weekend ahead, highlighted by the MLB Draft and the run-up to next week's All-Star Game, the completion of Wimbledon -- you can follow this morning's men's semifinals here-- and one of the year's most anticipated boxing matches of the year happens tonight.