NBA: Cooper Flagg, Mavericks keep Heat winless

MIAMI — Cooper Flagg had 29 points and 11 assists, plus blocked a shot that would have given Miami the lead in the final moments, and the Dallas Mavericks sent the reeling Heat to 0-4 with a 113-109 win on Monday night. PJ Washington added 20 points, Kyrie Irving scored 18 and Walter Clayton Jr.