AC

BOSTON -- There was a moment toward the end of the third quarter -- the frame in which Rajon Rondo put his assist wizardry on full display, handing out nine helpers as his Boston Celtics erupted for 42 points to build a 17-point lead over the visiting Cleveland Cavaliers -- where it felt a little bit like 2010, back when the volume inside TD Garden would ascend to another level as Boston fans roared in delight while watching the Green vanquish LeBron James and his Cleveland cohort. Some still wonder if Boston's win over the Cavaliers in the Eastern Conference semifinals back in 2010 was the tipping point for James' electing to go form his own superteam in Miami, though a similar case can be made that it was James' Game 6 dominance here in the 2012 Eastern Conference finals that might have started the demise of Boston's own Big Three. For Boston, most of the faces beyond Rondo have changed since those moments. The Celtics are entrenched in a...