DOVER, DE Ð 1970s: Richard Petty gets the checkered flag as he takes a NASCAR Cup win at Dover Downs International Speedway in the mid-1970s. (Photo by ISC Images & Archives via Getty Images)
DOVER, DE Ð 1970s: Richard Petty gets the checkered flag as he takes a NASCAR Cup win at Dover Downs International Speedway in the mid-1970s. (Photo by ISC Images & Archives via Getty Images)