Ralph Dale Earnhardt Jr. (born October 10, 1974) is an American professional stock car racing driver, team owner, and broadcaster. A third-generation driver, he is the son of the late 7-time NASCAR Cup Series champion Dale Earnhardt and relative to many former and current drivers in the NASCAR ranks. Since retiring from full-time competition after the 2017 season, he has competed part-time in the NASCAR Xfinity Series, driving the No. 88 Chevrolet Camaro for his team, JR Motorsports. He became a color commentator for NASCAR on NBC in 2018 after retiring from driving full-time in NASCAR.
https://en.wikipedia.org/wiki/Dale_Earnhardt_Jr.