John Mallinger finished strong on Saturday with an eagle and two birdies in the final four holes to take over the leaderboard at the 2012 Frys.com Open.
Mallinger went 9-under on the second round on Friday and takes a four-stroke lead into Saturday's action. He is 14-under overall.
Australian Nick O'Hern struggled after leading for one day. He finished par for the course on the second day, dropping down to fourth place at 9-under.
Billy Horschel and Jhonattan Vegas both sit at 10-under, one stroke behind Mallinger. The three of them will tee off together at the CordeValle Golf Club in San Marino, California at 2 p.m. ET.
Vijay Singh, who currently sits eight strokes back, will tee off at 12:50 p.m. Ernie Els, who sits 11 strokes, back also tees off at 12:50 p.m., but he starts at the 10th hole.
Live coverage can be seen on the GOLF channel starting at 1 p.m.
Head over to Golf.com to keep track of the live leaderboard.
Tee No. 1
12:10 p.m.: Russell Knox, Richard H. Lee, Martin Flores
12:20 p.m.: Rocco Mediate, Gary Woodland, Bryce Molder
12:30 p.m.: Garrett Willis, Patrick Cantlay, Nathan Green
12:40 p.m.: Derek Ernst, Stephen Gangluff, Jeff Overton
12:50 p.m.: Vijay Singh, Charlie Beljan, Jerry Kelly
1:00 p.m.: Bill Lunde, Camilo Villegas, Davis Love III
1:10 p.m.: Will Claxton, Danny Lee, Alexandre Rocha
1:20 p.m.: Charles Howell III, Steven Bowditch, Matt Jones
1:30 p.m.: D.A. Points, Tim Herron, Greg Owen
1:40 p.m.: Jonas Blixt, Jason Kokrak, Frank Lickliter II
1:50 p.m.: Nicolas Colsaerts, Nick O'Hern, Scott Dunlap
2:00 p.m.: John Mallinger, Billy Horschel, Jhonattan Vegas
Tee No. 10
12:10 p.m.: Chez Reavie, Jeff Maggert, David Mathis
12:20 p.m.: Rod Pampling, Tim Petrovic, Robert Karlsson
12:30 p.m.: Miguel Angel Carballo, Mathew Goggin, Angel Cabrera
12:40 p.m.: Chris Riley, J.J. Killeen, D.J. Trahan
12:50 p.m.: Stephen p.m.:es, Ernie Els, Zack Miller
1:00 p.m.: Ryuji Imada, Heath Slocum, Todd Hamilton
1:10 p.m.: John Merrick, Erik Compton, Garth Mulroy
1:20 p.m.: John Rollins, Ben Curtis, Brian Gay
1:30 p.m.: Bud Cauley, Patrick Reed, Kevin Streelman
1:40 p.m.: Jimmy Walker, J.B. Holmes, Vaughn Taylor
1:50 p.m.: Scott Brown, Cameron Beckman, Billy Mayfair
2:00 p.m.: Brian Davis, Kelly Kraft, Mark Anderson