Getty Does Celtics basketball chief Brad Stevens have a secret plan to bring Cooper Flagg to Boston? The NBA world was stunned on Monday when the supposedly random NBA draft lottery ended with the Dallas Mavericks drawing the No. 1 pick in the June 25 draft – despite going into the lottery with a mere 1.8 percent chance of landing the top draft position. The two teams with the best percentage chances of winning the top pick, the Utah Jazz and Washington Wizards with 14 percent, ended up with