INDIANAPOLIS, Tuesday, May 9, 2017 – Indianapolis Colts legend Robert Mathis will drive the 2017 Corvette Stingray Coupe Pace Car at the fourth annual INDYCAR Grand Prix on Saturday, May 13 at the Indianapolis Motor Speedway. Mathis spent his entire 14-year National Football League career as an outside linebacker for the Colts, from 2003-16. He…