BOSTON >> LeBron James scored 27 points and the Cleveland Cavaliers overcame a shoulder injury to Kevin Love to complete a first-round sweep of the Boston Celtics with a 101-93 victory Sunday.Love left the court in the first quarter after hurting his left shoulder, and J.R. Smith was ejected for swinging his arm at Jae Crowder, but the Cavaliers held on to win a series for the first time since 2010, before James left for Miami.