Marco Andretti Pictures

  • SONOMA, CA - AUGUST 23: Marco Andretti, driver of the #25 Andretti Autosport Chevrolet Dallara, in the pits during practice for the IndyCar Series GoPro Grand Prix of Sonoma at the Sonoma Raceway on August 23, 2013 in Sonoma, California. (Photo by Robert Laberge/Getty Images)