J.J. Spaun had to turn down this USGA request for a very understandable reason
via golfdigest.com
Short excerpt below. Read at the original source.
PACIFIC PALISADES, Ca. — J.J. Spaun’s L.A.B. DF3 putter, which he used to hole a 64-foot birdie putt to win the U.S. Open at Oakmont last June, belongs in a museum. Just not yet. Spaun, speaking at Riviera in his hometown of Los Angeles on Wednesday, says he still has much more work to do […]