Bristol Motor Speedway - Day 3

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Chad Knaus, crew chief of the Kobalt Tools Chevrolet, during practice... News PhotoBristol Motor Speedway,Chad Knaus,Crew,Food City 500,Horizontal,Motorsport,Practicing,Sport,Sprint Cup Series,Stock Car Racing,Tennessee,USAPhotographer Collection: NASCAR 2014 NASCARChad Knaus, crew chief of the #48 Kobalt Tools Chevrolet, during practice for the NASCAR Sprint Cup Series Food City 500 at Bristol Motor Speedway on March 15, 2014 in Bristol, Tennessee.