Tiger Woods, returning from his 2006 British Open win two weeks ago, takes aim at defending champion Vijay Singh who his shooting for his fourth BUICK OPEN title this weekend at Warwick Hills Golf and Country Club. The standout field includes Chris DiMarco, Jim Furyk, Zack Johnson, Aaron Oberholser, Geoff Ogilvy, Lucas Glover, David Toms, Steve Elkington, Brad Faxon, Justin Leonard, Scott Verplank, Tom Pernice, Jr., Camilo Villegas, Sean O'Hair and John Daly.

CBS Sports covers all the action at the Buick Open, broadcasting the third and final rounds on Saturday, Aug. 5 and Sunday, Aug. 6 (3:00-6:00 PM, ET, both days), live from Grand Blanc, Mich., on the CBS Television Network.

Bill Macatee will anchor CBS Sports' coverage of the BUICK OPEN from the 18th hole tower this weekend alongside lead golf analyst Lanny Wadkins. Peter Oosterhuis calls the action at the 17th hole, Gary McCord at the 16th hole and Bobby Clampett at the 15th hole. David Feherty and Peter Kostis serve as on-course reporters.

Lance Barrow is Coordinating Producer of CBS Sports' golf coverage. Steve Milton directs. Tony Petitti is Executive Vice President and Executive Producer, CBS Sports.

Last year, Singh took a one–stroke lead into the weekend, increased his lead to five strokes after 54 holes and went on to a four-stroke lead over Woods and Johnson to win his third Buick Open title (1997, 2004, 2005). Woods, winner of the 2002 Buick Open, has never missed a cut in seven trips to Warwick Hills Golf and Country Club and has finished no worse than tied for 11th .

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