DOVER, DE - MAY 31: Greg Biffle, driver of the #16 RiteAid/Ace Ford, practices for the NASCAR Sprint Cup Series FedEx 400 benefiting Autism Speaks at Dover International Speedway on May 31, 2013 in ... more 
DOVER, DE - MAY 31: Greg Biffle, driver of the #16 RiteAid/Ace Ford, practices for the NASCAR Sprint Cup Series FedEx 400 benefiting Autism Speaks at Dover International Speedway on May 31, 2013 in Dover, Delaware. (Photo by Jerry Markland/Getty Images) less 
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Getty Images | Photo By Jerry Markland / Getty Images
Fri, May 31, 2013 12:49 PM EDT