DALLAS (AP) — Cooper Flagg scored 21 points and Kyrie Irving added 14 after a sluggish first half for both stars as the Dallas Mavericks beat the Utah Jazz 112-100 in an NBA Cup game Friday night. Washington scored 22 of his season-high 26 points in a first half that ended in a 57-all tie, setting the stage for Flagg and Irving to take over after the break.