(Reuters) - PGA Tour rookie Chesson Hadley stalled on the back nine before clinging to a one-stroke lead over Danny Lee after the third round at the $3.5 million Puerto Rico Open on Saturday.
Hadley made four birdies in the first six holes to open up a three-shot cushion at the turn but added only one birdie on the back nine for a five-under-par 67 at the Trump International course in Rio Grande.
