Photos: NASCAR at Dover International Speedway, Friday Sept. 29, 2017

DOVER, DE - SEPTEMBER 29: Jimmie Johnson, driver of the #48 Lowe's Chevrolet, practices for the Monster Energy NASCAR Cup Series Apache Warrior 400 presented by Lucas Oil at Dover International Speedway on September 29, 2017 in Dover, Delaware. (Photo by Chris Trotman/Getty Images)

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