Jason Dufner's try for birdie was slightly off when he grazed the ball with the side of his putter, sending it not much closer to the hole, but a few inches closer to a chuckling Chad Campbell.

At this point, the PGA could probably institute "mini golf dad rules," and allow Dufner to put his ball back while grumbling a string of swear words and a phrase ending in "....didn't count."