BOSTON - DeMar DeRozan scored 23 points and Terrence Ross had 13 of his 21 in the fourth quarter as the Toronto Raptors took command in the second half and beat the Boston Celtics 113-103 on Friday night.

DeMarre Carroll scored 10 of his 21 points in the third quarter and Kyle Lowry finished with 14 points and nine assists for the Raptors.

Isaiah Thomas led Boston with 25 points. Avery Bradley added 13, including a 3-pointer that got Boston within 108-99 with 1:54 left during a rally that came much too late for the Celtics to rally.

Ross hit six of his first seven shots in the fourth quarter to help the Raptors secure the lead they built in the third by capitalizing on Boston's many mistakes.