LeBron James scores 33 points and Cavaliers beat Celtics 114-113 (AP)

A win against the league's best team went a long way toward making LeBron James and the Cleveland Cavaliers feel like legitimate contenders. James scored 33 points and barely missed a triple-double as the Cavaliers, playing as well as any team in the NBA, beat the Boston Celtics for the second time this season with a 114-113 victory on Tuesday night.