The newly crowned U.S. Open champion at Oakmont opened up to NBC4's David DeGuzman about his health journey, which included a diabetes misdiagnosis.

J.J. Spaun faced his first big moment on a big stage in golf and he wasn't ready for it. He didn't even have a club in his hand. Spaun was a 26-year-old PGA Tour rookie at Torrey Pines in 2017. He was ...