Kyle Stanley posted a four-under 68 Friday to take sole possession of the lead after the second round of the Farmers Insurance Open.
Stanley, a first-round co-leader, finished 36 holes at 14-under 130 and missed the tournament record by a stroke. He leads by one shot over Brandt Snedeker, who fired an eight-under 64 on Friday.
Stanley played on the South Course at Torrey Pines, while Snedeker played the much easier North Course. Golfers played both courses over the first two days, but the South Course will host the weekend rounds.
Sang-Moon Bae and Martin Flores both shot rounds of five-under 67 on Friday at the South Course and share third at 12-under 132.
Reigning FedEx Cup champion Bill Haas carded a one-under 71 at the South Course and is tied for fifth with Hunter Mahan, who fired a seven-under 65 at the North Course. The pair is knotted at minus-10.
First-round co-leader Spencer Levin struggled to a four-over 76 at the South Course and fell into a tie for 20th at six-under par.
Phil Mickelson, a three-time champion who opened with a five-over 77 on Thursday, missed the cut despite shooting a four-under 68 on Friday. Mickelson finished at one-over par, which was three shots off the cut line.