Guarding Rajon Rondo at all would be a start

Gregory Shamus, Getty Images Sport The tactic has been to give Rajon Rondo room. In Game 4, that was a costly mistake. After Rajon Rondo's Game 4 explosion (29 points, 18 rebounds, 13 assists, two steals and one series-changing victory) LeBron James has been talking about wanting to guard the Celtics' point guard himself. And that may well prove to be a remarkable tactic. However, if the Celtics are second-guessing their defensive approach, I wouldn't assume that Anthony Parker and Delonte West were the problems in Game 4. Instead, I would point the finger at the Cavs' tactic of giving Rondo all the room in the world on the perimeter. "When you leave a player wide open to shoot the ball, you're basically telling him 'you can't shoot," explains David Thorpe. "But you're not making it better for your team to guard him off the dribble. That's a myth. A lot of people don't know that." It's an old idea of basketball, that...