“Next year is when it ends," DeChambeau said of his current deal.

DeChambeau was still in the honeymoon phase with his initial 3D-printed irons, a bulge-and-roll set built for him by Avoda Golf.

Oakmont is synonymous with brutal difficulty. In 2007, players who missed the fairway on par fours and fives hit the green in regulation just 33.5 percent of the time.