The U.S. Open champion was joined at 7-under 133 by first-round co-leader Alvaro Quiros of Spain, who also had 69.
Panuphol Pittayarat of the Philippines shot 65 and Scotland’s Richie Ramsay had 66 to sit a shot back in second.
NEDBANK GOLF CHALLENGE: In Sun City, South Africa, Graeme McDowell shot 5-under-par 67 for a one-shot second-round lead in the 12-man tournament that will pay $1.25 million to the winner.
Jason Dufner had four birdies in his 68 to go to 6 under on his Nedbank debut. Robert Karlsson (69), Martin Kaymer (68) and defending champion Lee Westwood (70) were also one off the lead with Dufner.
NEW ZEALAND OPEN: In Christchruch, two-time PGA Tour winner Craig Parry birdied the final three holes Friday for 3-under-par 69 and a share of the second-round lead with Brad Kennedy and Josh Geary. Kennedy had 71, and Geary shot 68.
LPGA Q-SCHOOL: In Daytona Beach, Fla., Christine Song shot 2-under 70 on LPGA International’s Champions Course to increase her lead to five strokes after the third round of the LPGA Final Qualifying Tournament.
The top 40 finishers after the 108 holes earn their LPGA Tour cards for the 2012 season.
Part-time Augustan Nicole Jeray is tied for 78th place after rounds of 76-74-76.