Graeme McDowell led Keegan Bradley by one shot midway through Sunday's final round of the World Challenge while tournament host Tiger Woods failed to mount a charge.
McDowell was one under par through six holes, and 14 under for the tournament, at a soaked Sherwood Country Club in Thousand Oaks, where the golfers played in a steady drizzle.
Bradley birdied the second and fifth holes to stay within a stroke of McDowell, while Bo Van Pelt was five back at nine under. Rickie Fowler of Murietta and Jim Furyk were eight under par.
Woods, who began the day five shots behind McDowell, fell seven strokes behind after the five-time World Challenge winner had yet to record a birdie through eight holes.