LA JOLLA, California (Reuters) - Former world number one Tiger Woods withdrew from the opening round of the Farmers Insurance Open at Torrey Pines on Thursday after 11 holes, having appeared to suffer discomfort with his back.
Woods, coming off his worst score as a professional at the Phoenix Open last week, had been favoring his back throughout his round after being forced to sit and wait out a lengthy fog delay.
The 14-times major winner, who continued to struggle with his swing and short game, was two over par on the North course when he decided to pull out.
Woods was not overly concerned with his less-than-stellar showing in the pre-tournament pro-am competition on Wednesday, saying instead he was focused on peaking in time for the April 9-12 Masters.
Editing by Larry Fine/Mark Lamport-Stokes