Tiger Woods feels his game is still 'vulnerable' after pulling out of planned comeback

"I know that I am not yet ready to play on the PGA Tour or compete in Turkey."

Tiger Woods feels his game is still "vulnerable" after he pulled out of his planned comeback at this week's Safeway Open.

The 40-year-old confirmed he would not be playing in California this week or in the Turkish Airlines Open on the European Tour in November as he continues his recovery a back issue.