articleThe Brief Mavericks rookie Cooper Flagg will be part of the NBA's Rising Stars mini-tournament, an event taking place during the NBA's All-Star Game weekend. Dallas Mavericks rookie forward Cooper Flagg will represent the team during NBA All-Star Game weekend. NOTE TO USER: User expressly acknowledges and agrees t ExpandFor the second time in seven months, Cooper Flagg was picked first overall in a basketball draft. NOTE TO USER: User expressly acknowledges and agr ExpandFlagg is putting up impressive numbers in his first few months as a professional. What's next:The NBA Rising Stars mini-tournament will take place on Feb. 13 at the Intuit Dome in Los Angeles.