Rose, who led with six strokes at one point, closed with a bogey on the par-five 18th after finding the waterFarmers Insurance Open, third-round leaderboard-18 J Rose (Eng); -15 A Scott (Aus); -14 J Rahm (Spa); -13 D Ghim (USA); -12 T Gooch (USA); -11 H Matsuyama (Jpn); R McIlroy (NI), B Horschel (USA), H Lebioda (USA), J Dahmen (USA) Other selected: -8 M Laird (Sco); -7 J Spieth (USA). D Willett (Eng); -6 R Knox (Sco) -5 T Woods (USA) Full scoreboard (external site)
World number one Justin Rose maintained his triple lead over the Farmers Insurance Open despite two double thieves in the third round.
The English golfer scrambled a three-sub-par 69 with six birdies and an eagle to keep three shots for Adam Scott at 18.
Australian Scott had seven birdies and an eagle in his five-under-65.
Rose, who at one time had six strokes, closed with a bogey on the par-five 18th after finding the water.
Despite his mistakes, Rose tied the 54-hole tournament record at 18 below.
Jon Rahm, leader of the first round, is a shot further back from Scott at the age of 14 while Rory McIlroy hit 69 and is part of a group of five golfers at 11 below.
The Scottish Martin Laird and Russell Knox are eight under and six among respectively.
Tige r Woods, whose eight victories over Torrey Pines retained the most recent of his 14 big titles at the 2008 US Open, scored a one-under-71 that left him 13 shots.