Can Sprint Cups Richard Childress Racing stay hot in Las Vegas?
NASCAR SPRINT CUP • What: Shelby American • When: 2 p.m. Sunday on Fox. Qualifying 6:30 p.m. Friday. • Where: Las Vegas Motor Speedway • Defending winner: Kyle Busch • Who to watch: The Richard Childress Racing team is off to a red-hot start, with Kevin Harvick, Clint Bowyer and Jeff Burton first, second and fifth, respectively, in the points standings. RCR could remain hot. Bowyer was runner-up a year ago at Las Vegas, Burton was third and Harvick 12th. NASCAR NATIONWIDE • What: Sam’s Town 300 • When: 4 p.m. Saturday on ESPN2. Qualifying noon Saturday on Speed TV. • Where: Las Vegas Motor Speedway • Defending winner: Greg Biffle • Who to watch: Greg Biffle was second in 2008 before winning here last year and has four top-five finishes in his past five Las Vegas starts. Danica Patrick also is entered in the race.