Australia's Stuart Appleby capped a stirring comeback to successfully defend his Mercedes Championships title.
Tiger Woods stayed on course for an eighth title in nine starts worldwide in Thursday's second round at the WGC-Accenture Match Play Championship as second seed Phil Mickelson was knocked out. World number one Woods sealed a comfortable 3&2 win over fellow American Arron Oberholser but left-hander Mickelson was beaten 2&1 by 31st-seeded Stuart Appleby of Australia in a high-quality encounter.
The world number one moved into a two-shot lead after the second round of the $5.6 million Wachovia Championship on Friday.
The United States drew level with the Internationals after edging the Presidents Cup fourballs on Friday.
World number three Vijay Singh is hoping to carve a slice of PGA Tour history this week by winning the Houston Open for the fourth time in five years.
Tiger Woods ruled golf in 2000 in a manner that may never be matched, but one of his peers may have an insight into one of the reasons for that dominance.
