Harold Warren Moon (born November 18, 1956) is an American former professional football player who was a quarterback for 23 seasons in the National Football League (NFL) and Canadian Football League (CFL). He spent most of his career with the NFL's Houston Oilers and the CFL's Edmonton Eskimos. Moon also played in the NFL for the Minnesota Vikings, Seattle Seahawks, and Kansas City Chiefs. He is considered one of the greatest undrafted players in NFL history. Wikipedia
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