Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. David Lynn Harbour (born October 23, 1965 in Plainfield, Illinois) is a former American football center in the National Football League for the Washington Redskins. He played college football at the University of Illinois. American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football.