Just months after his dad's death, Matt Vogt, 34, will make his U.S. Open debut in his native Pittsburgh and on a course, Oakmont Country Club, where he caddied before becoming a dentist.

It should be easy to spot Brady Calkins at the U.S. Open this week. He'll probably be the one wearing a distinctive Hawaiian polo, courtesy of sponsor Oahu Golf, topped with a Steen Concrete hat, ...