A par round three was all K.J. Choi needed to retain his share of the Farmers Insurance Open leadership at Torrey Pines.
The South Korean is looking to pick up his ninth PGA Tour win and first since winning The Players Championship in May 2011.
The 45-year-old was in real trouble after a tough first nine, after which he found himself two-over-par 72 after a nightmare double-bogey seventh hole.
It got worse on the 12th as he hit another bogey - his second of the day - before recovering with three birdies in the final six holes to finish the day even.
He heads into the final round at the top of the leaderboard with a score of nine-under overall, joined by American Scott Brown.
Should he take out the tournament, Brown would claim his second PGA Tour victory after picking up the Puerto Rico Open in March 2013.
Brown shot two under par to card a score of 70, which he set up with three birdies on the front nine, before evening out on the back nine, hitting two bogeys and two birdies to round out his day.
Gary Woodland fell one place into equal third after scoring one over to give him an overall score of eight under par, joined by Jimmy Walker who carded a strong four under for the round.
Three birdies from his final six holes helped Walker set up a strong round which puts him right in the hunt for his sixth PGA Tour win.
Jonas Blixt had the best round as he carded six under, moving the Swede into equal fifth, trailing the leaders by two shots at seven under overall.
Blixt is joined at seven under by Michael Kim, John Huh and Freddie Jacobson, while there are eight pros one stroke behind in equal ninth.