IRWIN Tools Night Race – Practice

IRWIN Tools Night Race – Practice

BRISTOL, TN – AUGUST 23: Mark Martin, driver of the #14 Bass Pro Shops / Mobil 1 Chevrolet, practices for the NASCAR Sprint Cup Series IRWIN Tools Night Race at Bristol Motor Speedway on August 23, 2013 in Bristol, Tennessee. (Photo by Jerry Markland/Getty Images)

Greg Engle