SPEEDWAY, IN — official release — USF2000 photo — For the second straight day at the Grand Prix of Indianapolis, a rookie driver claimed his first-ever victory in the Cooper Tires USF2000 Championship Powered by Mazda. This time it was 19-year-old Californian Adrian Starrantino (#91 Autoworld Collision Center/PPG Van Diemen-Mazda) who made the breakthrough, overtaking Brazilian Victor Franzoni on Lap …