Jon Steven Young (born October 11, 1961) is a former professional American football quarterback who played in the National Football League (NFL) for 15 seasons, primarily with the San Francisco 49ers. He also played for the Tampa Bay Buccaneers. Prior to his NFL career, he was a member of the Los Angeles Express in the United States Football League (USFL) for two seasons. Young played college football for Brigham Young University (BYU), setting school and NCAA records en route to being runner-up for the 1983 Heisman Trophy.