Kevin Harvick, right, speaks with his crew chief Rodney Childers during practice for the NASCAR Sprint Cup Series Kobalt 400 at Las Vegas Motor Speedway on March 7, 2014 in Las Vegas.
Kevin Harvick, right, speaks with his crew chief Rodney Childers during practice for the NASCAR Sprint Cup Series Kobalt 400 at Las Vegas Motor Speedway on March 7, 2014 in Las Vegas. Nick Laham Getty Images
Kevin Harvick, right, speaks with his crew chief Rodney Childers during practice for the NASCAR Sprint Cup Series Kobalt 400 at Las Vegas Motor Speedway on March 7, 2014 in Las Vegas. Nick Laham Getty Images