Cooper Flagg scores 10 in Summer League debut as Mavs edge Lakers

• No 1 draft pick nets 10 in Vegas debut as Mavs win

• Bronny James misses late three in narrow defeat

• Jason Kidd praises Flagg's poise, playmaking skills

Dallas Mavericks rookie and No 1 draft pick Cooper Flagg contributed 10 points, six rebounds and four assists in 32 minutes in his Las Vegas Summer League debut Thursday as the Mavericks edged the Los Angeles Lakers 87-85.

Flagg added three steals and a block. He went scoreless during the second half and finished 5-for-21 from the floor.