Dover International Speedway - Day 2

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Chad Knaus, crew chief of the Lowe's/Kobalt Tools Chevrolet, center,... News PhotoAutism Speaks,Chad Knaus,Charity Benefit,Crew,Dover - Delaware,Dover International Speedway,Driver,Horizontal,Jimmie Johnson - Nascar Race Driver,Motorsport,Organized Group,Practicing,Sport,Sprint Cup Series,Stock Car Racing,Talking,USAPhotographer Collection: Getty Images Sport 2014 Getty ImagesDOVER, DE - MAY 30: Chad Knaus, crew chief of the #48 Lowe's/Kobalt Tools Chevrolet, center, talks with driver Jimmie Johnson, left, and a crew member during practice for the NASCAR Sprint Cup Series FedEx 400 Benefiting Autism Speaks at Dover International Speedway on May 30, 2014 in Dover, Delaware. (Photo by Patrick Smith/Getty Images)