Bobby UnserBobby Unser has served as ABC's chief analyst for the network's Indy 500 telecasts and has been the spokesman for numerous corporations, including Audi, IBM, GM, Goodyear, and Mobil Oil. Bobby Unser, along with his brother Al, belongs to one of the mst famous racecar dynasties in America. He had over 35 career wins on the Indy car circuit, and was the first driver to record a 200-miles-per-hour average speed. Read More Read Less