Marco Michael Andretti is an American professional auto racing driver. He last competed part-time in the NASCAR Craftsman Truck Series, driving the No. 04 Chevrolet Silverado for Roper Racing and part-time in the ARCA Menards Series, driving the No. 17 Chevrolet SS for Cook Racing Technologies.
He formerly drove in the IndyCar Series for 15 years with his family's team Andretti Herta Autosport. From Wikipedia
