Michael Phelps drained a 159-foot putt that took 17 seconds to find the hole at the Dunhill Links Championship Pro-Am today.

Phelps has thrown himself into the sport since he retired from swimming after the Olympics. He popped up at the Ryder Cup, and he's been Instagram-ing pictures from the links non-stop. We're guessing this amazing putt in his greatest golf moment to date.

Incredible: