Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Michael Ruether (born September 20, 1962) was a National Football League offensive lineman from 1986 through 1993. He also played for the Los Angeles Express of the USFL in 1984 and 1985. 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.