At the half, the Celtics  have a 48-47 lead in Dallas.
Paul Pierce  leads the Celtics with 12 points, while Rajon Rondo  and Ray Allen  each have eight.In the strangest stat line from the first half, Kevin Garnett  is 0-for-4 from the floor, but has seven rebound and five steals.
Both teams got off to a slow start as the Celtics missed their first five shots and the Mavs missed five of their first six. But things picked up quickly after that and the Celtics took a 30-24 lead after one quarter.
Pierce scored 10 points in the quarter, but the biggest difference was at the free throw line where the Celtics made 12-of-13 shots and were plus-eight at the line compared to Dallas. The Mavs got up 23 shots in the first quarter, but shot only 43 percent.