James "Jim" John Langer ( born May 16, 1948 in Little Falls, Minnesota ) is a former NFL center. He played for his college career (South Dakota State ) since 1970, first for the Miami Dolphins, and then to 1981 for the Minnesota Vikings. Langer reached with the Miami Dolphins three times in a row, the final of the NFL, the Super Bowl and won it twice. During the perfect season of the Miami Dolphins of 1972, he played every offensive down. In 1987 he entered the Pro Football Hall of Fame.