Photos: NASCAR at Dover International Speedway, Saturday May 5, 2018

DOVER, DE – MAY 05: Alex Bowman, driver of the #88 Nationwide Chevrolet, walks to his car during practice for the Monster Energy NASCAR Cup Series AAA 400 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Brian Lawdermilk/Getty Images)

DOVER, DE – MAY 05: Kyle Larson, driver of the #42 DC Solar Chevrolet, sits in his car during practice for the Monster Energy NASCAR Cup Series AAA 400 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Brian Lawdermilk/Getty Images)

DOVER, DE – MAY 05: Ryan Blaney, driver of the #12 Menards/Duracell Ford, drives through the garage area during practice for the Monster Energy NASCAR Cup Series AAA 400 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Brian Lawdermilk/Getty Images)

DOVER, DE – MAY 05: Justin Allgaier, driver of the #7 SiteOne Landscape Supply Chevrolet, celebrates by doing a burn out after winning the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Robert Laberge/Getty Images)

DOVER, DE – MAY 05: Justin Allgaier, driver of the #7 SiteOne Landscape Supply Chevrolet, poses with a check after winning the Dash 4 Cash and the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Matt Sullivan/Getty Images)

DOVER, DE – MAY 05: Brandon Jones, driver of the #19 XYO Networks Toyota, takes the green flag to start the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Robert Laberge/Getty Images)

DOVER, DE – MAY 05: Justin Allgaier, driver of the #7 SiteOne Landscape Supply Chevrolet, gets into his car during qualifying for the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Brian Lawdermilk/Getty Images)

DOVER, DE – MAY 05: Justin Allgaier, driver of the #7 SiteOne Landscape Supply Chevrolet, poses with the trophy after winning the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Brian Lawdermilk/Getty Images)

DOVER, DE – MAY 05: Daniel Hemric, driver of the #21 South Point Hotel & Casino Chevrolet, pits during the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Jerry Markland/Getty Images)

DOVER, DE – MAY 05: Matt Tifft, driver of the #2 Nexteer Chevrolet, is involved in an on-track incident during the NASCAR Xfinity Series OneMain Financial 200 at Dover International Speedway on May 5, 2018 in Dover, Delaware. (Photo by Jerry Markland/Getty Images)

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Photos: NASCAR at Dover International Speedway, Saturday May 5, 2018