NORTON, Mass. – The three-shot lead Louis Oosthuizen carried into the final round is now gone. And now he doesn’t even have a share of the lead
An errant tee shot at the par-4 fifth led to a double bogey for Oosthuizen, who dropped into a tie for the lead with Rory McIlroy, who bogeyed the hole.
Oosthuizen found the hazard with his drive, and had to take a penalty stroke. He then laid up with his third shot and couldn’t covert the bogey putt from 15 feet.
On the next hole, the par-4 sixth, McIlroy hit a terrific approach shot to 3 feet, 4 inches to set up his go-ahead birdie.
McIlroy has birdied four of his first six holes and is at 19 under for the tournament. Oosthuizen is 1 over on his round.
Tiger Woods is in solo third at 15 under, having birdied the fourth and sixth holes. Playing partner Dustin Johnson is at 14 under.
Past Deutsche Bank champion Charley Hoffman and Phil Mickelson have each made moves up the leaderboard. Hoffman is at 13 under and Mickelson has joined a group at 12 under.