The most anticipated on-court event on the summer basketball calendar begins Thursday as the Las Vegas Summer League gets started with a seven-game slate. The headlining matchup of the multi-week event from Sin City will feature No.

One of the most hyped prospects in NBA history makes his Summer League debut Thursday. Cooper Flagg's Mavs face Bronny James and the Lakers.

Flagg is the only draft pick for the Mavericks, but he's certainly far from the only rookie on the Summer League roster. The Mavericks have several rookies flanking Flagg in Las Vegas, most notably former Auburn guard Miles Kelly and former Gonzaga guard Ryan Nembhard.