No two pitches are the same because no two pitchers are the same. Biology, coaching and even ambition and curiosity affect how humans throw a baseball. Equal parts art and science meld. "Each pitch is ...

At first, it just felt like a forearm cramp. Sam Rosand shook it off. The high school junior figured serious pitching injuries involve a pop of the elbow, so he toed the rubber and threw again.

Please provide your email address to receive an email when new articles are posted on . UCL thickness may be greater in pitchers vs. position players and throwing arms vs. nonthrowing arms. UCL ...