Auto Club Speedway – Auto Club 400 practice

Auto Club Speedway – Auto Club 400 practice

FONTANA, CA – MARCH 19: Greg Biffle, driver of the #16 Ford EcoBoost Ford, practices for the NASCAR Sprint Cup Series Auto Club 400 at Auto Club Speedway on March 19, 2016 in Fontana, California. (Photo by Jonathan Ferrey/Getty Images)