Tiger Woods said Wednesday his game is "not acceptable" to compete in tournaments and he will return when he thinks it is.

Hopeful of having injuries behind him, Woods made a horrific start to the new year. He shot a career-high 82 in the second round of the Phoenix Open to miss the cut by 12 shots. And then he withdrew after 11 holes of ordinary golf at Torrey Pines because of tightness in his back from a fog delay.

Woods said on his website the last two weeks have been disappointing, especially at Torrey Pines, where he is an eight-time winner. He said he never wants to withdraw, but recent injuries have allowed that to happen too often.

Woods said his latest injury was not related to the back surgery he had last spring, and that he is feeling better every day with physical therapy.

"Right now, I need a lot of work on my game, and to still spend time with the people that are important to me," Woods said. "My play, and scores, are not acceptable for tournament golf. Like I've said, I enter a tournament to compete at the highest level, and when I think I'm ready, I'll be back."

Woods is not playing Pebble Beach or Riviera, and said he would practice next week at his home and at The Medalist "getting ready for the rest of the year."

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