Marco Andretti Pictures

  • SONOMA, CA - AUGUST 24: Marco Andretti driver of the #25 RC Cola Andretti Autosport Chevrolet Dallara during the practice for the IZOD IndyCar Series Go Pro Grand Prix of Sonoma on August 24, 2013 at Sonoma Raceway in Sonoma, California. (Photo by Jonathan Ferrey/Getty Images)