LeBron James scored 34 points and grabbed 10 rebounds and had seven assists, Dwyane Wade added 23 points and six rebounds and the Miami Heat beat the Boston Celtics 115-111 in overtime on Wednesday night.

Mario Chalmers scored 22 for the Heat, who took a 2-0 lead in the Eastern Conference Finals despite a monster game by Rajon Rondo.

The Celtics guard played all 53 minutes, finishing with 44 points, 10 assists and eight rebounds.

Paul Pierce scored 21 points before fouling out, while Kevin Garnett had 18 points and Ray Allen chipped in 13 points for Boston.

Udonis Haslem had a double-double performance with 13 points and 11 boards off the Heat bench.

Game 3 is on Friday in Boston.

(AP Photo/Lynne Sladky)