Dirk Nowitzki scored 20 points and Shawn Marion finished with 11 points and 10 rebounds for Dallas in a 102-91 win over the Boston Celtics on Sunday, extending the Mavericks' winning streak to a season-high five straight.
Jose Calderon added 18 points and Monta Ellis scored 11 for Dallas, which won for the sixth time in seven games and pulled 10 games above .500 for the first time this season at 31-21.
Vince Carter scored 14, Devin Harris had 12 points and Samuel Dalembert pulled grabbed 11 rebounds for Dallas.
The Mavericks led by six at halftime and pulled away in the third quarter by outscoring the Celtics 28-18.
Rajon Rondo had 15 points, 12 assists and eight rebounds for Boston, which had won three straight games.
Jeff Green scored 18 and Jared Sullinger had 11 points and 12 rebounds for the Celtics.