AUTO: SEP 16 IndyCar - GoPro Grand Prix of Sonoma

SONOMA, CA - SEPTEMBER 16: Marco Andretti (#27) in the Honda powered, United Fiber & Data IR12 during practice 3 for the Verizon Indycar Series, GoPro Grand Prix of Sonoma held at Sonoma Raceway, Sonoma, CA. (Photo by Allan Hamilton/ Icon Sportswire)