Photos: NASCAR at Kentucky Speedway, Saturday July14, 2018

SPARTA, KY - JULY 14: Martin Truex Jr., driver of the #78 Auto-Owners Insurance Toyota, leads the field past the green flag to start the Monster Energy NASCAR Cup Series Quaker State 400 presented by Walmart at Kentucky Speedway on July 14, 2018 in Sparta, Kentucky. (Photo by Sarah Crabill/Getty Images)