CelticsBlog roundtable: Celtics’ biggest threat in the East

Now that the Boston Celtics have climbed the mountain in the Eastern Conference and made the NBA Finals, they’ll have a giant target on their backs. Every contender in the league will be gunning for them. While the Celtics made a fantastic run, they needed a few seven-game series to get out of the East. The margin for error remains thin as there are some top-tier teams in the conference emerging to threaten them.

Whether the…