Adam Hadwin remains in fine form at the tournament in which he shot a third-round 59 a year ago.
Hadwin followed up a six-under 66 to open the CareerBuilder Challenge with a bogey-free 67 in the second round in La Quinta, Calf.
At 11 under, Hadwin goes into the weekend tied for 10th, five shots off the lead.
Corey Conners shot his second consecutive 68 on Friday and is tied for 36th at eight under.
For all the scores, click here.