Both teams were missing star players.
Nowitzki within three points of Chamberlain on NBA scoring list.
Sexton scores 23, Clarkson 15 for Cleveland.
Collin Sexton led the Cavaliers with 26 points.
Cleveland improves to 5-4 since All-Star break.
Richardson scores 20, McGruder comes up big late and Heat pull away to beat Cavaliers.
NEW YORK — Locked in a tight game in the fourth quarter, the Brooklyn Nets needed answers quickly. That meant Spencer Dinwiddie. “He’s a speed demon. He’s a dragster out there,” Nets coach Kenny Atkinson said.