PINEHURST, N.C. — Rory McIlroy doesn’t mind admitting it: If there’s a leaderboard within his periphery out on the golf course, he’s going to look at it.
So as he made his way through Pinehurst No. 2’s back nine Saturday during the third round, he couldn’t help but take a peek and imagine what was happening behind him. By the time McIlroy reached the 18th green, Bryson DeChambeau, who…