Ross Lee Chastain is an American professional stock car racing driver. He competes full-time in the NASCAR Cup Series, driving the No. 1 Chevrolet ZL1 for Trackhouse Racing, part-time in the NASCAR Xfinity Series, driving the No. 9 Chevrolet SS for JR Motorsports, and part-time in the NASCAR Craftsman Truck Series, driving the No. 44 Chevrolet Silverado RST for Niece Motorsports. He is the older brother of fellow NASCAR driver Chad Chastain. From Wikipedia
