Tags: Jockey (Horse Racer).
G. R. (George Robert) Carter JR (born February 6 1968) is a professional American Quarter Horse jockey. On June 1 2008 he became the all-time leading money earning jockey in American Quarter Horse racing history surpassing the previous record of $41405207 in mount earnings. He has continued to add to the record since topping the $63-million mark.