DALLAS — Anthony Davis started overtime with back-to-back dunks after Danny Green’s buzzer-beating 3-pointer in regulation, and the Los Angeles Lakers beat the Dallas Mavericks 119-110 on Friday night. LeBron James and young Dallas phenom Luka Doncic had matching triple-doubles, with the 10th of Doncic’s career extending the 20-year-old’s record for triple-doubles for players under...