Quaker State 400

Quaker State 400

SPARTA, KY – JUNE 30: Greg Biffle, driver of the #16 3M/National Fallen Firefighter’s Foundation Ford, is involved in an incident during the NASCAR Sprint Cup Series Quaker State 400 at Kentucky Speedway on June 30, 2013 in Sparta, Kentucky. (Photo by Andy Lyons/Getty Images)

Greg Engle