Fredrik Jacobson and Bae Sang-Moon have moved into a share of the lead at the halfway stage of the Northern Trust Open in Los Angeles.
Both men shot 65 for their second round at Pacific Palisades, as did third-placed John Rollins on eight-under.
Luke Donald shot a five-under 66 to get to seven-under, just two shots off the top of the leaderboard.
Meanwhile, overnight leader Matt Kuchar could not follow up his opening-round 64, finishing on two-over to leave him in a tie for ninth.
