When we help our kids learn to pitch, how much does tightness and flexibility play in the kids' ability to pick up what we teach? Dr. Chris McKenzie, a board-certified sports & orthopedic physical therapist, discusses these issues in Part 2 of a three-part interview. Plus Rob answers the Question of the Week about the catcher position will be a waste of a skilled player's athleticism and degrade his knees and athleticism.