Caddie Michael Greller has had some memorable moments at USGA championships, including being on the bag of Jordan Spieth when he won the U.S. Open a decade ago at Chambers Bay, not far from his home ...

As a PGA Tour caddie, Michael Greller has reached peaks that few others have. The looper has helped Jordan Spieth win three ...

Tom Greller, the older brother of Jordan Spieth's caddie, Michael Greller, will play in the U.S. Senior Open this week.

Call it a cool confidence, if you’d like. Perhaps gregarious. Or outgoing. Whatever the case, it has paid off for MOC-Floyd Valley High School and Northwestern College graduate Michael Greller ...