SONOMA, CA - AUGUST 23: A detail of the helmet of Dario Franchitti driver of the #10 Target Chip Ganassi Racing Dallara Honda during the practice for the IZOD IndyCar Series GoPro Grand Prix of Sonoma... more 
SONOMA, CA - AUGUST 23: A detail of the helmet of Dario Franchitti driver of the #10 Target Chip Ganassi Racing Dallara Honda during the practice for the IZOD IndyCar Series GoPro Grand Prix of Sonoma on August 23, 2013 at Sonoma Raceway in Sonoma, California. (Photo by Jonathan Ferrey/Getty Images) less 
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Getty Images | Photo By Jonathan Ferrey / Getty Images
Fri, Aug 23, 2013 4:06 PM EDT