Lahiri, who had a share of the four-way lead after the first round, is now three shots behind leader, former Major winner Jason Dufner (64-65), who is at 15-under 129. Jamie Lovemark (65-65) is lying second at 14-under while Lahiri, alongside Adam Hadwin (66-66), Jason Gore (68-64), Andrew Loupe (66-66) and Bill Haas (66-66), was tied for third at 12-under.
Lahiri, after a stunning 64 in the first round, opened the second round from the tenth and had a nice eagle on par-5 11th, added a birdie on 16th but then seemed to lose concentration. A bogey on 17th, his eighth hole, and then he had four pars in a row, where he could have had a birdie or two. Then came a hat-trick of birdies on fourth, fifth and sixth, at which point he moved to five-under for the day. Then again he lapsed with bogeys on seventh and eighth, where he had a three-putt.
On his final hole birdie, Lahiri added, "It was relief more than anything. You don't want to make 6 or 7 from the fairway and after walking off with a 3-putt on 8, then it was nice to get that in."
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Summing up his round, the two-time winner in Europe last year, added, "It was an up-and-down day. Lots of good shots and some bad ones coming in. I missed a bunch of putts today. I feel I am still in a good position for the weekend, so hoping to play better next couple of rounds."
Lahiri has now played on La Quinta and Nicklaus Tournament Course and his third round will be the PGA West's TPC Stadium Course, said to be the toughest of the three.
It was at the Stadium Course, that leader Dufner shot seven-under 65 to take a one-stroke lead over Jamie Lovemark.
"It's a difficult golf course," Dufner said.
"There's a little bit of room to play off the tee, but if you get off the path a little bit, you can get into some trouble. He's (Dye's) got some water out there. He's got some tricky bunkers. You get some uneven lies here and there. ... It's definitely the most difficult of the courses we have played here"
Dufner had only 22 putts, one-putting 11 of 12 greens in the middle of the round.
(REOPENS SPF 12)
The Pete Dye-designed Stadium Course is back in the event rotation after being dumped following its debut in 1987, and the Nicklaus Tournament Course is being used for the first time.
"It's a difficult golf course," Dufner said.
"There's a little bit of room to play off the tee, but if you get off the path a little bit, you can get into some trouble. He's (Dye's) got some water out there. He's got some tricky bunkers. You get some uneven lies here and there. ... It's definitely the most difficult of the courses we have played here"
Defending champion Bill Haas was three strokes back in the company of Jason Gore, Lahiri, Andrew Loupe and Adam Hadwin. Haas shot 66, Gore 64, and Lahiri 68, all at the Nicklaus Course. Loupe had a 66 on the Stadium Course, and Hadwin a 66 at La Quinta.
Phil Mickelson was 11 under in his first start since the Presidents Cup in October and first since splitting with swing coach Butch Harmon to work with Andrew Getson. The 45-year-old Mickelson had a 65 on the Nicklaus Course.