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)

SPARTA, KY – JULY 14: Crew members push the car of Martin Truex Jr., driver of the #78 Auto-Owners Insurance Toyota, through the garage area prior to the Monster Energy NASCAR Cup Series Quaker State 400 presented by Walmart at Kentucky Speedway on July 14, 2018 in Sparta, Kentucky. (Photo by Michael Reaves/Getty Images)

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 Michael Reaves/Getty Images)

SPARTA, KY – JULY 14: Clint Bowyer, driver of the #14 Haas 30 Years of the VF1 Ford, pits during the Monster Energy NASCAR Cup Series Quaker State 400 presented by Walmart at Kentucky Speedway on July 14, 2018 in Sparta, Kentucky. (Photo by Brian Lawdermilk/Getty Images)

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 Brian Lawdermilk/Getty Images)

SPARTA, KY – JULY 14: Kyle Larson, driver of the #42 Credit One Bank Chevrolet, leads a pack of cars during 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)

SPARTA, KY – JULY 14: Kyle Busch, driver of the #18 Snickers Intense Toyota, leads a pack of cars during 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)

SPARTA, KY – JULY 14: Kevin Harvick, driver of the #4 Busch Light Ford, pits during the Monster Energy NASCAR Cup Series Quaker State 400 presented by Walmart at Kentucky Speedway on July 14, 2018 in Sparta, Kentucky. (Photo by Brian Lawdermilk/Getty Images)

SPARTA, KY – JULY 14: Martin Truex Jr., driver of the #78 Auto-Owners Insurance Toyota, races during the Monster Energy NASCAR Cup Series Quaker State 400 presented by Walmart at Kentucky Speedway on July 14, 2018 in Sparta, Kentucky. (Photo by Michael Reaves/Getty Images)

SPARTA, KY – JULY 14: Martin Truex Jr., driver of the #78 Auto-Owners Insurance Toyota, takes the checkered flag to win 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)

SPARTA, KY – JULY 14: Martin Truex Jr., driver of the #78 Auto-Owners Insurance Toyota, celebrates in Victory Lane after winning the Monster Energy NASCAR Cup Series Quaker State 400 presented by Walmart at Kentucky Speedway on July 14, 2018 in Sparta, Kentucky. (Photo by Brian Lawdermilk/Getty Images)

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Photos: NASCAR at Kentucky Speedway, Saturday July14, 2018