The success of the baseball pitcher requires not only high-level ability but also durability and prevention of injury. The baseball throwing motion has been described as one of the most violent and ...

I had never heard anyone describe a fastball that way. But the spin pattern made sense—it was the natural result of my ...

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.

This story was excerpted from Sonja Chen’s Dodgers Beat newsletter. To read the full newsletter, click here. And subscribe to ...