DALLAS — Cooper Flagg used the practice court on the far left side of his new basketball home to work on his 3-point shooting following his first summer league practice with the Dallas Mavericks. Josh Broghamer,

The main on-court event on the NBA summer calendar begins Thursday when the Las Vegas Summer League tips off from Sin City. There are seven games on Thursday's slate, including a matchup between Cooper Flagg's Dallas Mavericks and Bronny James' Los Angeles Lakers.

Whether he was playing with his dad LeBron James in the pros, or suiting up for the South Bay Lakers of the G League, Bronny seemingly always drew a crowd. The 20-year-old USC alum averaged 2.3 points,