Kobalt 400 – Practice

Kobalt 400 – Practice

Greg Biffle (Getty Images)

LAS VEGAS, NV – MARCH 08: Greg Biffle, driver of the #16 Red Cross Ford, stands in the garage area during practice for the NASCAR Sprint Cup Series Kobalt 400 at Las Vegas Motor Speedway on March 8, 2014 in Las Vegas, Nevada. (Photo by Jonathan Ferrey/Getty Images)

Greg Engle