The American hasn't finished higher than T10 this year.
Tiger Woods out until 2016
Tiger Woods has had a second operation on his back and is expected to be out until early 2016.
The American hasn't finished higher than T10 this year and has missed four cuts, including three of the four majors.
After his first back surgery in March 2014, Woods returned to play four tournaments that year, missing the cut in two of them.
In a statement, he said: "This is certainly disappointing, but I'm a fighter. I've been told that I can make a full recovery, and I have no doubt that I will."
Despite Woods' best finish of the year at the Wyndham Championship, he was unable to qualify for the end-of-season FedEx Cup events.
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He underwent his second microdiscectomy surgery on September 16th in Utah and will now miss the Hero World Challenge, an event hosted by his foundation.
Woods, who is ranked at no. 292, will also miss the Frys.com Open and Bridgestone America's Golf Cup, on which he said: "Those were two events I was really looking forward to playing.
"I was ready to start the 2015-16 PGA Tour season at Frys, and I was excited to join my good friend Matt [Kuchar] in Mexico City."
The former world no. 1 has struggled for form this year, finishing T17 in the Hero World Challenge before shooting a round of 82 at the Waste Management Phoenix Open.
His second cut of the year came at Chambers Bay in the US Open, where an opening round of 80 was followed by a 76.
He went on to miss the cut at the Open and the USPGA Championship, before a strong performance at the Wyndham Championship saw him shoot 64, his lowest round of the year.
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Woods added in his statement: "I appreciate the fans' concern and support. This is unfortunate, but these things happen.
"I've been injured before and played again. It won't be any different this time."
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