Stephen A. Smith explains what Cooper Flagg needs to do in the NBA to live up to the hype. play 1:16 What Cooper Flagg brings to a franchise Cooper Flagg's energy and leadership are the big traits that stand out to Jonathan Givony. Like so many, the Flagg family had monitored the voluminous backlash from Mavericks fans after Doncic was traded abruptly to the Los Angeles Lakers last season. After the lottery, Flagg bounced across the country, working out with MacKenzie at a gym in Westlake Village, about an hour west of Los Angeles. The Flagg family already has an Airbnb booked in Las Vegas to watch him during summer league.