Harold Warren Moon (born November 18, 1956) is an American former football quarterback who played professionally for 23 seasons. He spent the majority of his career with the Houston Oilers of the National Football League (NFL) and the Edmonton Eskimos of the Canadian Football League (CFL). Moon also played for the NFL's Minnesota Vikings, Seattle Seahawks, and Kansas City Chiefs. He is considered one of the greatest undrafted players in NFL history. Moon began his professional career with the Eskimos in 1978 after not generating interest from NFL teams. His success during his six CFL seasons, five of which ended in Grey Cup victories, resulted in him being signed by the Oilers in 1984. During his 17 NFL seasons, Moon was named Offensive Player of the Year in 1990 after leading the league in passing yards and passing touchdowns. He led the NFL in passing yards twice, while also receiving nine Pro Bowl selections. Moon spent 10 seasons with the Oilers, whom he led to seven playoff appearances, and made an eighth postseason run with the Vikings before retiring in 2000. At the time of his retirement, Moon held several all-time professional gridiron football passing records. Although relatively unsuccessful in the NFL postseason, his five consecutive Grey Cups from 1978 to 1982 rem... ()