New York Mets Pitcher Jonathon Niese has struggled with shoulder and elbow issues during 2014 spring training. He also suffered a partially torn rotator cuff in 2013. What are the causes of his injuries, and how can they be fixed? I spoke with sport kinesiologist Angel Borrelli, a scientist who works specifically with baseball pitchers. If you are a pitcher, a coach of pitchers, or a parent of a pitcher, you will find this interview enlightening.