Brendan Steele has maintained a two-shot lead at the Frys.Com Open after the second round of the competition.
The American shot a nine-under round of 63 to take the lead on day one, and he was able to keep his place as tournament leader despite firing three bogeys on his second round.
The 32-year-old holed five birdies on his card to ensure that he maintained the lead with a two-under round of 70.
Compatriot Will Wilcox is among the chasing pack two shots off the pace following his five-under round of 67, while Canada's Graham DeLaet closed the gap with a four-under round on day two.
Harold Varner III and Jhonattan Vegas are also in contention going into day three poised on nine-under for the tournament, and England's Justin Rose is three shots off the lead.