STP 500

STP 500

MARTINSVILLE, VA – MARCH 30: Michael Annett, driver of the #7 Pilot / Flying J Chevrolet, and Kurt Busch, driver of the #41 Haas Automation Chevrolet, race at the back of a pack of cars during the NASCAR Sprint Cup Series STP 500 at Martinsville Speedway on March 30, 2014 in Martinsville, Virginia. (Photo by Matt Sullivan/Getty Images)

MARTINSVILLE, VA – MARCH 30: Michael Annett, driver of the #7 Pilot / Flying J Chevrolet, and Kurt Busch, driver of the #41 Haas Automation Chevrolet, race at the back of a pack of cars during the NASCAR Sprint Cup Series STP 500 at Martinsville Speedway on March 30, 2014 in Martinsville, Virginia. (Photo by Matt Sullivan/Getty Images)

Greg Engle