Grillo passes Stenson for lead late in second round

By Larry Fine SPRINGFIELD, New Jersey (Reuters) - Young Argentine Emiliano Grillo shot into the lead with a birdie barrage that put him four-under at the turn and eight-under for the tournament late in Friday's second round of the PGA Championship. The 23-year-old Grillo, who said after his 66 on Thursday that putting was the weakest part of his game, belied that with four birdie putts in his first nine holes at Baltusrol on Friday, including a a 40-foot bomb that fell in at the 15th. Grillo, wh