5-on-5 predictions: Can the Celtics upset LeBron and the Cavs?

Our NBA Insiders preview Celtics-Cavaliers. David Butler II/USA TODAY Sports

Will Isaiah Thomas or Kyrie Irving have the better series? Can the Celtics slow down LeBron James?

Our 5-on-5 crew breaks down the Cleveland-Boston matchup in the Eastern Conference finals and predicts the winner.