SAN DIEGO -- Tiger Woods is going to have to wait to pursue a seventh win at Torrey Pines.

Thick fog forced a long delay Saturday in the third round of the Farmers Insurance Open. Players began the round after a three-hour delay, only for the fog to return five minutes after they started. No one finished more than one hole.

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The delay meant the third round could not be completed, and officials were hopeful of being able to finish before dark Sunday.

Woods had a two-shot lead over Billy Horschel.

Mark Russell, the tour's vice president of competition, says it was critical to play at least some golf Saturday afternoon to have a chance to finish on time. He says if players can't see where they're aiming, they can't play.