He has had three knee operations, including the removal of a benign tumor and also a cyst.<ref>http://www.foxnews.com/story/0,2933,351418,00.html</ref><ref>http://www.golftoday.co.uk/news/yeartodate/news02/woods51.html</ref> | He has had three knee operations, including the removal of a benign tumor and also a cyst.<ref>http://www.foxnews.com/story/0,2933,351418,00.html</ref><ref>http://www.golftoday.co.uk/news/yeartodate/news02/woods51.html</ref> |