Kobalt 400 – Practice

Kobalt 400 – Practice

LAS VEGAS, NV – MARCH 07: Dale Earnhardt Jr., driver of the #88 Mountain Dew Kickstart Chevrolet, practices for the NASCAR Sprint Cup Series Kobalt 400 at Las Vegas Motor Speedway on March 7, 2014 in Las Vegas, Nevada. (Photo by Brian Lawdermilk/Getty Images)

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